101121200112 has 80 divisors (see below), whose sum is σ = 271161787392. Its totient is φ = 32449032960.

The previous prime is 101121200099. The next prime is 101121200123. The reversal of 101121200112 is 211002121101.

It is a super-2 number, since 2×101121200112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 229788 + ... + 505019.

Almost surely, 2^101121200112 is an apocalyptic number.

101121200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101121200112 is an abundant number, since it is smaller than the sum of its proper divisors (170040587280).

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

101121200112 is a wasteful number, since it uses less digits than its factorization.

101121200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734926 (or 734920 counting only the distinct ones).

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

Adding to 101121200112 its reverse (211002121101), we get a palindrome (312123321213).

The spelling of 101121200112 in words is "one hundred one billion, one hundred twenty-one million, two hundred thousand, one hundred twelve".