202011102220122 has 48 divisors (see below), whose sum is σ = 471360388360680. Its totient is φ = 62157110593536.

The previous prime is 202011102220093. The next prime is 202011102220127. The reversal of 202011102220122 is 221022201110202.

It is a happy number.

202011102220122 is a `hidden beast` number, since 20 + 201 + 1 + 102 + 220 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 116606500805601 + 85404601414521 = 10798449^2 + 9241461^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202011102220095 and 202011102220104.

It is not an unprimeable number, because it can be changed into a prime (202011102220127) 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, 129689454 + ... + 131237862.

Almost surely, 2^{202011102220122} is an apocalyptic number.

202011102220122 is an abundant number, since it is smaller than the sum of its proper divisors (269349286140558).

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

202011102220122 is a wasteful number, since it uses less digits than its factorization.

202011102220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105967 (or 2105964 counting only the distinct ones).

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

Adding to 202011102220122 its reverse (221022201110202), we get a palindrome (423033303330324).

The spelling of 202011102220122 in words is "two hundred two trillion, eleven billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".