202102022122 has 64 divisors (see below), whose sum is σ = 408106137600. Its totient is φ = 72491993280.

The previous prime is 202102022107. The next prime is 202102022137. The reversal of 202102022122 is 221220201202.

It is an interprime number because it is at equal distance from previous prime (202102022107) and next prime (202102022137).

It is a junction number, because it is equal to n+sod(n) for n = 202102022096 and 202102022105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625579 + ... + 891937.

It is an arithmetic number, because the mean of its divisors is an integer number (6376658400).

Almost surely, 2^202102022122 is an apocalyptic number.

202102022122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202102022122 is an abundant number, since it is smaller than the sum of its proper divisors (206004115478).

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

202102022122 is a wasteful number, since it uses less digits than its factorization.

202102022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266771.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202102022122 its reverse (221220201202), we get a palindrome (423322223324).

The spelling of 202102022122 in words is "two hundred two billion, one hundred two million, twenty-two thousand, one hundred twenty-two".