202112100122 has 32 divisors (see below), whose sum is σ = 336693946752. Its totient is φ = 90504843264.

The previous prime is 202112100119. The next prime is 202112100149. The reversal of 202112100122 is 221001211202.

It is a junction number, because it is equal to n+sod(n) for n = 202112100097 and 202112100106.

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, 518648 + ... + 820499.

It is an arithmetic number, because the mean of its divisors is an integer number (10521685836).

Almost surely, 2^202112100122 is an apocalyptic number.

202112100122 is a deficient number, since it is larger than the sum of its proper divisors (134581846630).

202112100122 is a wasteful number, since it uses less digits than its factorization.

202112100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339382.

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

Adding to 202112100122 its reverse (221001211202), we get a palindrome (423113311324).

The spelling of 202112100122 in words is "two hundred two billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".