100111120212 has 12 divisors (see below), whose sum is σ = 233592613856. Its totient is φ = 33370373400.

The previous prime is 100111120189. The next prime is 100111120231. The reversal of 100111120212 is 212021111001.

100111120212 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8342593351 = 100111120212 / (1 + 0 + 0 + 1 + 1 + 1 + 1 + 2 + 0 + 2 + 1 + 2).

It is a congruent number.

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, 4171296664 + ... + 4171296687.

Almost surely, 2^100111120212 is an apocalyptic number.

100111120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100111120212 is an abundant number, since it is smaller than the sum of its proper divisors (133481493644).

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

100111120212 is a wasteful number, since it uses less digits than its factorization.

100111120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342593358 (or 8342593356 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100111120212 its reverse (212021111001), we get a palindrome (312132231213).

The spelling of 100111120212 in words is "one hundred billion, one hundred eleven million, one hundred twenty thousand, two hundred twelve".