201122101122 has 32 divisors (see below), whose sum is σ = 402793694784. Its totient is φ = 66949176000.

The previous prime is 201122101109. The next prime is 201122101129. The reversal of 201122101122 is 221101221102.

It is not an unprimeable number, because it can be changed into a prime (201122101129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19519372 + ... + 19529672.

It is an arithmetic number, because the mean of its divisors is an integer number (12587302962).

Almost surely, 2^201122101122 is an apocalyptic number.

201122101122 is an abundant number, since it is smaller than the sum of its proper divisors (201671593662).

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

201122101122 is a wasteful number, since it uses less digits than its factorization.

201122101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14434.

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

Adding to 201122101122 its reverse (221101221102), we get a palindrome (422223322224).

The spelling of 201122101122 in words is "two hundred one billion, one hundred twenty-two million, one hundred one thousand, one hundred twenty-two".