202020110221122 has 32 divisors (see below), whose sum is σ = 448936686273600. Its totient is φ = 67339570539744.

The previous prime is 202020110221117. The next prime is 202020110221219. The reversal of 202020110221122 is 221122011020202.

It is a happy number.

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 = 202020110221095 and 202020110221104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5033403 + ... + 20721374.

It is an arithmetic number, because the mean of its divisors is an integer number (14029271446050).

Almost surely, 2^{202020110221122} is an apocalyptic number.

202020110221122 is an abundant number, since it is smaller than the sum of its proper divisors (246916576052478).

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

202020110221122 is a wasteful number, since it uses less digits than its factorization.

202020110221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900047 (or 25900041 counting only the distinct ones).

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

Adding to 202020110221122 its reverse (221122011020202), we get a palindrome (423142121241324).

The spelling of 202020110221122 in words is "two hundred two trillion, twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".