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122102111012202 = 23223953128319719
BaseRepresentation
bin11011110000110100011100…
…111101000000010101101010
3121000022211220001111202111100
4123300310130331000111222
5112001010110404342302
61111404534015142230
734501405065031236
oct3360643475002552
9530284801452440
10122102111012202
11359a623a51a882
1211840259b14976
135319244945b09
142221ab90955c6
15e1b251d5cd1c
hex6f0d1cf4056a

122102111012202 has 24 divisors (see below), whose sum is σ = 264555687670560. Its totient is φ = 40700532315240.

The previous prime is 122102111012179. The next prime is 122102111012227. The reversal of 122102111012202 is 202210111201221.

122102111012202 is a `hidden beast` number, since 1 + 221 + 0 + 211 + 10 + 1 + 220 + 2 = 666.

It is a super-2 number, since 2×1221021110122022 (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9848302 + ... + 18471417.

It is an arithmetic number, because the mean of its divisors is an integer number (11023153652940).

Almost surely, 2122102111012202 is an apocalyptic number.

122102111012202 is an abundant number, since it is smaller than the sum of its proper divisors (142453576658358).

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

122102111012202 is a wasteful number, since it uses less digits than its factorization.

122102111012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28559258 (or 28559255 counting only the distinct ones).

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

Adding to 122102111012202 its reverse (202210111201221), we get a palindrome (324312222213423).

The spelling of 122102111012202 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred eleven million, twelve thousand, two hundred two".

Divisors: 1 2 3 6 9 18 239531 479062 718593 1437186 2155779 4311558 28319719 56639438 84959157 169918314 254877471 509754942 6783450611789 13566901223578 20350351835367 40700703670734 61051055506101 122102111012202