100121120022 has 32 divisors (see below), whose sum is σ = 249652664064. Its totient is φ = 26005485600.

The previous prime is 100121119981. The next prime is 100121120041. The reversal of 100121120022 is 220021121001.

It is a congruent number.

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, 108355729 + ... + 108356652.

It is an arithmetic number, because the mean of its divisors is an integer number (7801645752).

Almost surely, 2^100121120022 is an apocalyptic number.

100121120022 is an abundant number, since it is smaller than the sum of its proper divisors (149531544042).

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

100121120022 is a wasteful number, since it uses less digits than its factorization.

100121120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216712404.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100121120022 its reverse (220021121001), we get a palindrome (320142241023).

The spelling of 100121120022 in words is "one hundred billion, one hundred twenty-one million, one hundred twenty thousand, twenty-two".