102212220100120 has 64 divisors (see below), whose sum is σ = 249859824772320. Its totient is φ = 37405915244544.

The previous prime is 102212220100099. The next prime is 102212220100157. The reversal of 102212220100120 is 21001022212201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102212220100094 and 102212220100103.

It is a congruent number.

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, 869684434 + ... + 869801953.

Almost surely, 2^{102212220100120} is an apocalyptic number.

102212220100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212220100120 is an abundant number, since it is smaller than the sum of its proper divisors (147647604672200).

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

102212220100120 is a wasteful number, since it uses less digits than its factorization.

102212220100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739486524 (or 1739486520 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212220100120 its reverse (21001022212201), we get a palindrome (123213242312321).

The spelling of 102212220100120 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty million, one hundred thousand, one hundred twenty".