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122221001120 = 2552979333427
BaseRepresentation
bin111000111010011110…
…0000111100110100000
3102200110210101011021012
41301310330013212200
54000302034013440
6132051512120052
711554515240221
oct1616474074640
9380423334235
10122221001120
1147919629139
121b82b696028
13b6aa38ca0a
145cb62cd248
1532a4e6ee65
hex1c74f079a0

122221001120 has 96 divisors (see below), whose sum is σ = 302485881600. Its totient is φ = 46604952576.

The previous prime is 122221001099. The next prime is 122221001141. The reversal of 122221001120 is 21100122221.

It is an interprime number because it is at equal distance from previous prime (122221001099) and next prime (122221001141).

It is a super-2 number, since 2×1222210011202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122221001095 and 122221001104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199847 + ... + 533273.

It is an arithmetic number, because the mean of its divisors is an integer number (3150894600).

Almost surely, 2122221001120 is an apocalyptic number.

122221001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122221001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151242940800).

122221001120 is an abundant number, since it is smaller than the sum of its proper divisors (180264880480).

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

122221001120 is a wasteful number, since it uses less digits than its factorization.

122221001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333550 (or 333542 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122221001120 its reverse (21100122221), we get a palindrome (143321123341).

The spelling of 122221001120 in words is "one hundred twenty-two billion, two hundred twenty-one million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 79 80 116 145 158 160 232 290 316 395 464 580 632 790 928 1160 1264 1580 2291 2320 2528 3160 4582 4640 6320 9164 11455 12640 18328 22910 36656 45820 73312 91640 183280 333427 366560 666854 1333708 1667135 2667416 3334270 5334832 6668540 9669383 10669664 13337080 19338766 26340733 26674160 38677532 48346915 52681466 53348320 77355064 96693830 105362932 131703665 154710128 193387660 210725864 263407330 309420256 386775320 421451728 526814660 763881257 773550640 842903456 1053629320 1527762514 1547101280 2107258640 3055525028 3819406285 4214517280 6111050056 7638812570 12222100112 15277625140 24444200224 30555250280 61110500560 122221001120