100111220112122 has 16 divisors (see below), whose sum is σ = 150680217371040. Its totient is φ = 49884482967312.

The previous prime is 100111220112119. The next prime is 100111220112139. The reversal of 100111220112122 is 221211022111001.

It is a self number, because there is not a number n which added to its sum of digits gives 100111220112122.

It is an unprimeable number.

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, 130282613 + ... + 131048775.

It is an arithmetic number, because the mean of its divisors is an integer number (9417513585690).

Almost surely, 2^{100111220112122} is an apocalyptic number.

100111220112122 is a deficient number, since it is larger than the sum of its proper divisors (50568997258918).

100111220112122 is a wasteful number, since it uses less digits than its factorization.

100111220112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989437.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100111220112122 its reverse (221211022111001), we get a palindrome (321322242223123).

The spelling of 100111220112122 in words is "one hundred trillion, one hundred eleven billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-two".