100112212022122 has 16 divisors (see below), whose sum is σ = 163171007712000. Its totient is φ = 45891845917920.

The previous prime is 100112212022113. The next prime is 100112212022129. The reversal of 100112212022122 is 221220212211001.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 100112212022122.

It is not an unprimeable number, because it can be changed into a prime (100112212022129) 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, 42492448747 + ... + 42492451102.

It is an arithmetic number, because the mean of its divisors is an integer number (10198187982000).

Almost surely, 2^{100112212022122} is an apocalyptic number.

100112212022122 is a deficient number, since it is larger than the sum of its proper divisors (63058795689878).

100112212022122 is a wasteful number, since it uses less digits than its factorization.

100112212022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84984899901.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100112212022122 its reverse (221220212211001), we get a palindrome (321332424233123).

The spelling of 100112212022122 in words is "one hundred trillion, one hundred twelve billion, two hundred twelve million, twenty-two thousand, one hundred twenty-two".