101112111212 has 48 divisors (see below), whose sum is σ = 205835255808. Its totient is φ = 42566731200.

The previous prime is 101112111179. The next prime is 101112111229. The reversal of 101112111212 is 212111211101.

It is a super-2 number, since 2×101112111212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218393 + ... + 499919.

It is an arithmetic number, because the mean of its divisors is an integer number (4288234496).

Almost surely, 2^101112111212 is an apocalyptic number.

It is an amenable number.

101112111212 is an abundant number, since it is smaller than the sum of its proper divisors (104723144596).

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

101112111212 is a wasteful number, since it uses less digits than its factorization.

101112111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281766 (or 281764 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101112111212 its reverse (212111211101), we get a palindrome (313223322313).

The spelling of 101112111212 in words is "one hundred one billion, one hundred twelve million, one hundred eleven thousand, two hundred twelve".