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101120101220 = 22523311706837
BaseRepresentation
bin101111000101100111…
…0100100101101100100
3100200000020022101021002
41132023032210231210
53124043221214340
6114242014412432
710206564451505
oct1361316445544
9320006271232
10101120101220
113998072a796
1217720b01118
1396c68aa928
144c73b12bac
15296c741715
hex178b3a4b64

101120101220 has 48 divisors (see below), whose sum is σ = 222297723648. Its totient is φ = 38564972160.

The previous prime is 101120101213. The next prime is 101120101231. The reversal of 101120101220 is 22101021101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210359 + ... + 496478.

It is an arithmetic number, because the mean of its divisors is an integer number (4631202576).

Almost surely, 2101120101220 is an apocalyptic number.

101120101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101120101220 is an abundant number, since it is smaller than the sum of its proper divisors (121177622428).

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

101120101220 is a wasteful number, since it uses less digits than its factorization.

101120101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707180 (or 707178 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101120101220 its reverse (22101021101), we get a palindrome (123221122321).

The spelling of 101120101220 in words is "one hundred one billion, one hundred twenty million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 311 460 622 1244 1555 3110 6220 7153 14306 28612 35765 71530 143060 706837 1413674 2827348 3534185 7068370 14136740 16257251 32514502 65029004 81286255 162572510 219826307 325145020 439652614 879305228 1099131535 2198263070 4396526140 5056005061 10112010122 20224020244 25280025305 50560050610 101120101220