202101222221112 has 64 divisors (see below), whose sum is σ = 505908431614080. Its totient is φ = 67279695138432.

The previous prime is 202101222221111. The next prime is 202101222221149. The reversal of 202101222221112 is 211122222101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101222221111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849142158 + ... + 849380130.

It is an arithmetic number, because the mean of its divisors is an integer number (7904819243970).

Almost surely, 2^{202101222221112} is an apocalyptic number.

It is an amenable number.

202101222221112 is an abundant number, since it is smaller than the sum of its proper divisors (303807209392968).

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

202101222221112 is a wasteful number, since it uses less digits than its factorization.

202101222221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283732 (or 283728 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 202101222221112 its reverse (211122222101202), we get a palindrome (413223444322314).

The spelling of 202101222221112 in words is "two hundred two trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".