101200111170 has 32 divisors (see below), whose sum is σ = 242965484928. Its totient is φ = 26977227648.

The previous prime is 101200111147. The next prime is 101200111171. The reversal of 101200111170 is 71111002101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (101200111171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504654 + ... + 676073.

It is an arithmetic number, because the mean of its divisors is an integer number (7592671404).

Almost surely, 2^101200111170 is an apocalyptic number.

101200111170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101200111170 is an abundant number, since it is smaller than the sum of its proper divisors (141765373758).

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

101200111170 is a wasteful number, since it uses less digits than its factorization.

101200111170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183594.

The product of its (nonzero) digits is 14, while the sum is 15.

Adding to 101200111170 its reverse (71111002101), we get a palindrome (172311113271).

The spelling of 101200111170 in words is "one hundred one billion, two hundred million, one hundred eleven thousand, one hundred seventy".