100012111021100 has 72 divisors (see below), whose sum is σ = 228488041610640. Its totient is φ = 37892802343680.

The previous prime is 100012111021013. The next prime is 100012111021169. The reversal of 100012111021100 is 1120111210001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6517094 + ... + 15572306.

It is an arithmetic number, because the mean of its divisors is an integer number (3173445022370).

Almost surely, 2^{100012111021100} is an apocalyptic number.

100012111021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012111021100 is an abundant number, since it is smaller than the sum of its proper divisors (128475930589540).

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

100012111021100 is a wasteful number, since it uses less digits than its factorization.

100012111021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061059 (or 9061052 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100012111021100 its reverse (1120111210001), we get a palindrome (101132222231101).

The spelling of 100012111021100 in words is "one hundred trillion, twelve billion, one hundred eleven million, twenty-one thousand, one hundred".