202021102101122 has 16 divisors (see below), whose sum is σ = 304021656010392. Its totient is φ = 100680596490240.

The previous prime is 202021102101079. The next prime is 202021102101163. The reversal of 202021102101122 is 221101201120202.

It can be written as a sum of positive squares in 4 ways, for example, as 71440682203081 + 130580419898041 = 8452259^2 + 11427179^2 .

It is a super-2 number, since 2×202021102101122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202021102101122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876483 + ... + 20305574.

Almost surely, 2^{202021102101122} is an apocalyptic number.

202021102101122 is a deficient number, since it is larger than the sum of its proper divisors (102000553909270).

202021102101122 is a wasteful number, since it uses less digits than its factorization.

202021102101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23196293.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202021102101122 its reverse (221101201120202), we get a palindrome (423122303221324).

The spelling of 202021102101122 in words is "two hundred two trillion, twenty-one billion, one hundred two million, one hundred one thousand, one hundred twenty-two".