100112221012124 has 24 divisors (see below), whose sum is σ = 184417582876800. Its totient is φ = 47421492580080.

The previous prime is 100112221012123. The next prime is 100112221012211. The reversal of 100112221012124 is 421210122211001.

It is a junction number, because it is equal to n+sod(n) for n = 100112221012096 and 100112221012105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112221012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65459729 + ... + 66971639.

It is an arithmetic number, because the mean of its divisors is an integer number (7684065953200).

Almost surely, 2^{100112221012124} is an apocalyptic number.

It is an amenable number.

100112221012124 is a deficient number, since it is larger than the sum of its proper divisors (84305361864676).

100112221012124 is a wasteful number, since it uses less digits than its factorization.

100112221012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383193 (or 2383191 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 100112221012124 its reverse (421210122211001), we get a palindrome (521322343223125).

The spelling of 100112221012124 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-one million, twelve thousand, one hundred twenty-four".