100121122122 has 32 divisors (see below), whose sum is σ = 229091566464. Its totient is φ = 28575624000.

The previous prime is 100121122103. The next prime is 100121122159. The reversal of 100121122122 is 221221121001.

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, 1227129 + ... + 1306172.

It is an arithmetic number, because the mean of its divisors is an integer number (7159111452).

Almost surely, 2^100121122122 is an apocalyptic number.

100121122122 is an abundant number, since it is smaller than the sum of its proper divisors (128970444342).

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

100121122122 is a wasteful number, since it uses less digits than its factorization.

100121122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534254.

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

Adding to 100121122122 its reverse (221221121001), we get a palindrome (321342243123).

The spelling of 100121122122 in words is "one hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".