22012121120202 has 48 divisors (see below), whose sum is σ = 47986648071648. Its totient is φ = 7292188283040.

The previous prime is 22012121120183. The next prime is 22012121120237. The reversal of 22012121120202 is 20202112121022.

It is a happy number.

22012121120202 is a `hidden beast` number, since 220 + 1 + 2 + 121 + 120 + 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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214051377 + ... + 214154187.

It is an arithmetic number, because the mean of its divisors is an integer number (999721834826).

Almost surely, 2^{22012121120202} is an apocalyptic number.

22012121120202 is an abundant number, since it is smaller than the sum of its proper divisors (25974526951446).

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

22012121120202 is a wasteful number, since it uses less digits than its factorization.

22012121120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175955 (or 175952 counting only the distinct ones).

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

Adding to 22012121120202 its reverse (20202112121022), we get a palindrome (42214233241224).

The spelling of 22012121120202 in words is "twenty-two trillion, twelve billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".