100111919212 has 6 divisors (see below), whose sum is σ = 175195858628. Its totient is φ = 50055959604.

The previous prime is 100111919161. The next prime is 100111919249. The reversal of 100111919212 is 212919111001.

It is a happy number.

100111919212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513989898 + ... + 12513989905.

Almost surely, 2^100111919212 is an apocalyptic number.

It is an amenable number.

100111919212 is a deficient number, since it is larger than the sum of its proper divisors (75083939416).

100111919212 is a wasteful number, since it uses less digits than its factorization.

100111919212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25027979807 (or 25027979805 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 100111919212 in words is "one hundred billion, one hundred eleven million, nine hundred nineteen thousand, two hundred twelve".