121102202022111 has 24 divisors (see below), whose sum is σ = 174948726126720. Its totient is φ = 80724037698000.

The previous prime is 121102202022107. The next prime is 121102202022133. The reversal of 121102202022111 is 111220202201121.

121102202022111 is a `hidden beast` number, since 1 + 21 + 10 + 220 + 202 + 211 + 1 = 666.

It is not a de Polignac number, because 121102202022111 - 2² = 121102202022107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102202022161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3322310436 + ... + 3322346886.

It is an arithmetic number, because the mean of its divisors is an integer number (7289530255280).

Almost surely, 2^{121102202022111} is an apocalyptic number.

121102202022111 is a deficient number, since it is larger than the sum of its proper divisors (53846524104609).

121102202022111 is a wasteful number, since it uses less digits than its factorization.

121102202022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75547 (or 75544 counting only the distinct ones).

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

Adding to 121102202022111 its reverse (111220202201121), we get a palindrome (232322404223232).

The spelling of 121102202022111 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred two million, twenty-two thousand, one hundred eleven".