100112222210212 has 12 divisors (see below), whose sum is σ = 175794328763676. Its totient is φ = 49885271134880.

The previous prime is 100112222210197. The next prime is 100112222210239. The reversal of 100112222210212 is 212012222211001.

It can be written as a sum of positive squares in 2 ways, for example, as 49581961770916 + 50530260439296 = 7041446^2 + 7108464^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100112222210212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42709991239 + ... + 42709993582.

It is an arithmetic number, because the mean of its divisors is an integer number (14649527396973).

Almost surely, 2^{100112222210212} is an apocalyptic number.

It is an amenable number.

100112222210212 is a deficient number, since it is larger than the sum of its proper divisors (75682106553464).

100112222210212 is a wasteful number, since it uses less digits than its factorization.

100112222210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85419985118 (or 85419985116 counting only the distinct ones).

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

Adding to 100112222210212 its reverse (212012222211001), we get a palindrome (312124444421213).

The spelling of 100112222210212 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-two million, two hundred ten thousand, two hundred twelve".