100111012 has 24 divisors (see below), whose sum is σ = 181762560. Its totient is φ = 48210240.

The previous prime is 100111007. The next prime is 100111043. The reversal of 100111012 is 210111001.

It is a junction number, because it is equal to n+sod(n) for n = 100110986 and 100111004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9093 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (7573440).

Almost surely, 2^100111012 is an apocalyptic number.

It is an amenable number.

100111012 is a deficient number, since it is larger than the sum of its proper divisors (81651548).

100111012 is a wasteful number, since it uses less digits than its factorization.

100111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 100111012 is about 10005.5490603964. The cubic root of 100111012 is about 464.3305771966.

Adding to 100111012 its reverse (210111001), we get a palindrome (310222013).

The spelling of 100111012 in words is "one hundred million, one hundred eleven thousand, twelve".