121022022111210 has 160 divisors (see below), whose sum is σ = 375880163262912. Its totient is φ = 27612867755520.

The previous prime is 121022022111181. The next prime is 121022022111257. The reversal of 121022022111210 is 12111220220121.

121022022111210 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 220 + 221 + 11 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 399340252 + ... + 399643191.

Almost surely, 2^{121022022111210} is an apocalyptic number.

121022022111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022022111210 is an abundant number, since it is smaller than the sum of its proper divisors (254858141151702).

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

121022022111210 is a wasteful number, since it uses less digits than its factorization.

121022022111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798983490 (or 798983481 counting only the distinct ones).

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

Adding to 121022022111210 its reverse (12111220220121), we get a palindrome (133133242331331).

The spelling of 121022022111210 in words is "one hundred twenty-one trillion, twenty-two billion, twenty-two million, one hundred eleven thousand, two hundred ten".