100220272122 has 32 divisors (see below), whose sum is σ = 202571510400. Its totient is φ = 33052075200.

The previous prime is 100220272051. The next prime is 100220272147. The reversal of 100220272122 is 221272022001.

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, 788688 + ... + 906900.

It is an arithmetic number, because the mean of its divisors is an integer number (6330359700).

Almost surely, 2^100220272122 is an apocalyptic number.

100220272122 is an abundant number, since it is smaller than the sum of its proper divisors (102351238278).

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

100220272122 is a wasteful number, since it uses less digits than its factorization.

100220272122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119718.

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 100220272122 its reverse (221272022001), we get a palindrome (321492294123).

The spelling of 100220272122 in words is "one hundred billion, two hundred twenty million, two hundred seventy-two thousand, one hundred twenty-two".