202101122210 has 64 divisors (see below), whose sum is σ = 397305699840. Its totient is φ = 73572844800.

The previous prime is 202101122161. The next prime is 202101122227. The reversal of 202101122210 is 12221101202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3105869 + ... + 3170271.

It is an arithmetic number, because the mean of its divisors is an integer number (6207901560).

Almost surely, 2^202101122210 is an apocalyptic number.

202101122210 is a deficient number, since it is larger than the sum of its proper divisors (195204577630).

202101122210 is a wasteful number, since it uses less digits than its factorization.

202101122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64763.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202101122210 its reverse (12221101202), we get a palindrome (214322223412).

The spelling of 202101122210 in words is "two hundred two billion, one hundred one million, one hundred twenty-two thousand, two hundred ten".