100112222000021 has 32 divisors (see below), whose sum is σ = 129765553632000. Its totient is φ = 76537645679040.

The previous prime is 100112221999987. The next prime is 100112222000033. The reversal of 100112222000021 is 120000222211001.

It is not a de Polignac number, because 100112222000021 - 2⁶ = 100112221999957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112222000071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250119386 + ... + 250519323.

It is an arithmetic number, because the mean of its divisors is an integer number (4055173551000).

Almost surely, 2^{100112222000021} is an apocalyptic number.

100112222000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100112222000021 is a deficient number, since it is larger than the sum of its proper divisors (29653331631979).

100112222000021 is an equidigital number, since it uses as much as digits as its factorization.

100112222000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500638794 (or 500638780 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100112222000021 its reverse (120000222211001), we get a palindrome (220112444211022).

The spelling of 100112222000021 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-two million, twenty-one", and thus it is an aban number.