202112122 has 16 divisors (see below), whose sum is σ = 306296640. Its totient is φ = 100018912.

The previous prime is 202112117. The next prime is 202112149. The reversal of 202112122 is 221211202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82203 + ... + 84625.

It is an arithmetic number, because the mean of its divisors is an integer number (19143540).

Almost surely, 2^202112122 is an apocalyptic number.

202112122 is a deficient number, since it is larger than the sum of its proper divisors (104184518).

202112122 is a wasteful number, since it uses less digits than its factorization.

202112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 202112122 is about 14216.6142945499. The cubic root of 202112122 is about 586.8549704732.

Adding to 202112122 its reverse (221211202), we get a palindrome (423323324).

The spelling of 202112122 in words is "two hundred two million, one hundred twelve thousand, one hundred twenty-two".