101200111200 has 108 divisors (see below), whose sum is σ = 356856917508. Its totient is φ = 26986694400.

The previous prime is 101200111171. The next prime is 101200111213. The reversal of 101200111200 is 2111002101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7020586 + ... + 7034985.

Almost surely, 2^101200111200 is an apocalyptic number.

101200111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200111200 is an abundant number, since it is smaller than the sum of its proper divisors (255656806308).

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

101200111200 is a wasteful number, since it uses less digits than its factorization.

101200111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14055597 (or 14055581 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101200111200 its reverse (2111002101), we get a palindrome (103311113301).

It can be divided in two parts, 1012001 and 11200, that added together give a palindrome (1023201).

The spelling of 101200111200 in words is "one hundred one billion, two hundred million, one hundred eleven thousand, two hundred".