101111912 has 16 divisors (see below), whose sum is σ = 206820000. Its totient is φ = 45959920.

The previous prime is 101111867. The next prime is 101111917. The reversal of 101111912 is 219111101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101111917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574412 + ... + 574587.

It is an arithmetic number, because the mean of its divisors is an integer number (12926250).

Almost surely, 2^101111912 is an apocalyptic number.

It is an amenable number.

101111912 is an abundant number, since it is smaller than the sum of its proper divisors (105708088).

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

101111912 is a wasteful number, since it uses less digits than its factorization.

101111912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149016 (or 1149012 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

The square root of 101111912 is about 10055.4419097323. The cubic root of 101111912 is about 465.8728923224.

The spelling of 101111912 in words is "one hundred one million, one hundred eleven thousand, nine hundred twelve".