201011122122 has 16 divisors (see below), whose sum is σ = 404062968672. Its totient is φ = 66663586640.

The previous prime is 201011122099. The next prime is 201011122139. The reversal of 201011122122 is 221221110102.

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, 85028904 + ... + 85031267.

It is an arithmetic number, because the mean of its divisors is an integer number (25253935542).

Almost surely, 2^201011122122 is an apocalyptic number.

201011122122 is an abundant number, since it is smaller than the sum of its proper divisors (203051846550).

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

201011122122 is a wasteful number, since it uses less digits than its factorization.

201011122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170060373.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201011122122 its reverse (221221110102), we get a palindrome (422232232224).

The spelling of 201011122122 in words is "two hundred one billion, eleven million, one hundred twenty-two thousand, one hundred twenty-two".