101200111110 has 72 divisors (see below), whose sum is σ = 306078716736. Its totient is φ = 23131452960.

The previous prime is 101200111097. The next prime is 101200111147. The reversal of 101200111110 is 11111002101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101200111092 and 101200111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11469526 + ... + 11478345.

It is an arithmetic number, because the mean of its divisors is an integer number (4251093288).

Almost surely, 2^101200111110 is an apocalyptic number.

101200111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101200111110 is an abundant number, since it is smaller than the sum of its proper divisors (204878605626).

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

101200111110 is a wasteful number, since it uses less digits than its factorization.

101200111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22947898 (or 22947888 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101200111110 its reverse (11111002101), we get a palindrome (112311113211).

The spelling of 101200111110 in words is "one hundred one billion, two hundred million, one hundred eleven thousand, one hundred ten".