12101122220202 has 24 divisors (see below), whose sum is σ = 26350852413600. Its totient is φ = 4013437519080.

The previous prime is 12101122220197. The next prime is 12101122220219. The reversal of 12101122220202 is 20202222110121.

It is a happy number.

12101122220202 is a `hidden beast` number, since 1 + 210 + 11 + 22 + 220 + 202 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1689153624 + ... + 1689160787.

It is an arithmetic number, because the mean of its divisors is an integer number (1097952183900).

Almost surely, 2^{12101122220202} is an apocalyptic number.

12101122220202 is an abundant number, since it is smaller than the sum of its proper divisors (14249730193398).

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

12101122220202 is a wasteful number, since it uses less digits than its factorization.

12101122220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378314618 (or 3378314615 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12101122220202 its reverse (20202222110121), we get a palindrome (32303344330323).

The spelling of 12101122220202 in words is "twelve trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred two".