100112200000002 has 12 divisors (see below), whose sum is σ = 216909766666710. Its totient is φ = 33370733333328.

The previous prime is 100112199999947. The next prime is 100112200000019. The reversal of 100112200000002 is 200000002211001.

It can be written as a sum of positive squares in only one way, i.e., 99496255997961 + 615944002041 = 9974781^2 + 784821^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a self number, because there is not a number n which added to its sum of digits gives 100112200000002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780894444427 + ... + 2780894444462.

Almost surely, 2^{100112200000002} is an apocalyptic number.

100112200000002 is an abundant number, since it is smaller than the sum of its proper divisors (116797566666708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100112200000002 is a wasteful number, since it uses less digits than its factorization.

100112200000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561788888897 (or 5561788888894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100112200000002 its reverse (200000002211001), we get a palindrome (300112202211003).

The spelling of 100112200000002 in words is "one hundred trillion, one hundred twelve billion, two hundred million, two", and thus it is an aban number.