100021011200112 has 40 divisors (see below), whose sum is σ = 265371061251856. Its totient is φ = 32439246875136.

The previous prime is 100021011200111. The next prime is 100021011200129. The reversal of 100021011200112 is 211002110120001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021011200111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28159066693 + ... + 28159070244.

Almost surely, 2^{100021011200112} is an apocalyptic number.

100021011200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100021011200112 is an abundant number, since it is smaller than the sum of its proper divisors (165350050051744).

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

100021011200112 is a wasteful number, since it uses less digits than its factorization.

100021011200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56318136985 (or 56318136979 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021011200112 its reverse (211002110120001), we get a palindrome (311023121320113).

The spelling of 100021011200112 in words is "one hundred trillion, twenty-one billion, eleven million, two hundred thousand, one hundred twelve".