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112101202121220 = 223351315968832211
BaseRepresentation
bin11001011111010010011000…
…010101001101001000000100
3112200220202210112001001122000
4121133102120111031020010
5104143131230220334340
61034230325321305300
732420021202044664
oct3137223025151004
9480822715031560
10112101202121220
113279a942141594
12106a5b69935230
134a721374000a0
141d97a273741a4
15ce6022233d30
hex65f49854d204

112101202121220 has 96 divisors (see below), whose sum is σ = 375586933626240. Its totient is φ = 27594142058880.

The previous prime is 112101202121219. The next prime is 112101202121221. The reversal of 112101202121220 is 22121202101211.

112101202121220 is a `hidden beast` number, since 1 + 1 + 210 + 1 + 20 + 212 + 1 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (112101202121219) and next prime (112101202121221).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112101202121193 and 112101202121202.

It is not an unprimeable number, because it can be changed into a prime (112101202121221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7984409086 + ... + 7984423125.

It is an arithmetic number, because the mean of its divisors is an integer number (3912363891940).

Almost surely, 2112101202121220 is an apocalyptic number.

112101202121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112101202121220 is an abundant number, since it is smaller than the sum of its proper divisors (263485731505020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112101202121220 is a wasteful number, since it uses less digits than its factorization.

112101202121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15968832242 (or 15968832234 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112101202121220 its reverse (22121202101211), we get a palindrome (134222404222431).

The spelling of 112101202121220 in words is "one hundred twelve trillion, one hundred one billion, two hundred two million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 260 270 351 390 468 540 585 702 780 1170 1404 1755 2340 3510 7020 15968832211 31937664422 47906496633 63875328844 79844161055 95812993266 143719489899 159688322110 191625986532 207594818743 239532483165 287438979798 319376644220 415189637486 431158469697 479064966330 574877959596 622784456229 718597449495 830379274972 862316939394 958129932660 1037974093715 1245568912458 1437194898990 1724633878788 1868353368687 2075948187430 2155792348485 2491137824916 2874389797980 3113922281145 3736706737374 4151896374860 4311584696970 5605060106061 6227844562290 7473413474748 8623169393940 9341766843435 11210120212122 12455689124580 18683533686870 22420240424244 28025300530305 37367067373740 56050601060610 112101202121220