101220112112 has 40 divisors (see below), whose sum is σ = 224250504192. Its totient is φ = 43356772800.

The previous prime is 101220112073. The next prime is 101220112151. The reversal of 101220112112 is 211211022101.

It is an interprime number because it is at equal distance from previous prime (101220112073) and next prime (101220112151).

It is a super-2 number, since 2×101220112112² (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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31964 + ... + 451067.

Almost surely, 2^101220112112 is an apocalyptic number.

It is an amenable number.

101220112112 is an abundant number, since it is smaller than the sum of its proper divisors (123030392080).

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

101220112112 is a wasteful number, since it uses less digits than its factorization.

101220112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484917 (or 484911 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101220112112 its reverse (211211022101), we get a palindrome (312431134213).

The spelling of 101220112112 in words is "one hundred one billion, two hundred twenty million, one hundred twelve thousand, one hundred twelve".