222100100012120 has 128 divisors (see below), whose sum is σ = 545648481000000. Its totient is φ = 80690547425280.

The previous prime is 222100100012093. The next prime is 222100100012149. The reversal of 222100100012120 is 21210001001222.

It is a junction number, because it is equal to n+sod(n) for n = 222100100012095 and 222100100012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7962560894 + ... + 7962588786.

Almost surely, 2^{222100100012120} is an apocalyptic number.

222100100012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100100012120 is an abundant number, since it is smaller than the sum of its proper divisors (323548380987880).

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

222100100012120 is a wasteful number, since it uses less digits than its factorization.

222100100012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43653 (or 43649 counting only the distinct ones).

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

Adding to 222100100012120 its reverse (21210001001222), we get a palindrome (243310101013342).

The spelling of 222100100012120 in words is "two hundred twenty-two trillion, one hundred billion, one hundred million, twelve thousand, one hundred twenty".