201100220200122 has 16 divisors (see below), whose sum is σ = 403069123862400. Its totient is φ = 66888626156352.

The previous prime is 201100220200111. The next prime is 201100220200177. The reversal of 201100220200122 is 221002022001102.

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, 36195141247 + ... + 36195146802.

It is an arithmetic number, because the mean of its divisors is an integer number (25191820241400).

Almost surely, 2^{201100220200122} is an apocalyptic number.

201100220200122 is an abundant number, since it is smaller than the sum of its proper divisors (201968903662278).

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

201100220200122 is a wasteful number, since it uses less digits than its factorization.

201100220200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72390288517.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201100220200122 its reverse (221002022001102), we get a palindrome (422102242201224).

The spelling of 201100220200122 in words is "two hundred one trillion, one hundred billion, two hundred twenty million, two hundred thousand, one hundred twenty-two".