202110010122 has 64 divisors (see below), whose sum is σ = 426093542784. Its totient is φ = 63826652160.

The previous prime is 202110010121. The next prime is 202110010139. The reversal of 202110010122 is 221010011202.

It is a junction number, because it is equal to n+sod(n) for n = 202110010098 and 202110010107.

It is not an unprimeable number, because it can be changed into a prime (202110010121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4739118 + ... + 4781574.

It is an arithmetic number, because the mean of its divisors is an integer number (6657711606).

Almost surely, 2^202110010122 is an apocalyptic number.

202110010122 is an abundant number, since it is smaller than the sum of its proper divisors (223983532662).

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

202110010122 is a wasteful number, since it uses less digits than its factorization.

202110010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43063.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202110010122 its reverse (221010011202), we get a palindrome (423120021324).

The spelling of 202110010122 in words is "two hundred two billion, one hundred ten million, ten thousand, one hundred twenty-two".