100112221012080 has 80 divisors (see below), whose sum is σ = 310352187286944. Its totient is φ = 26696222192640.

The previous prime is 100112221012079. The next prime is 100112221012123. The reversal of 100112221012080 is 80210122211001.

It is a tau number, because it is divible by the number of its divisors (80).

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, 14679942 + ... + 20389338.

Almost surely, 2^{100112221012080} is an apocalyptic number.

100112221012080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112221012080 is an abundant number, since it is smaller than the sum of its proper divisors (210239966274864).

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

100112221012080 is a wasteful number, since it uses less digits than its factorization.

100112221012080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782474 (or 5782468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 100112221012080 its reverse (80210122211001), we get a palindrome (180322343223081).

The spelling of 100112221012080 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-one million, twelve thousand, eighty".