101111111000000 has 98 divisors (see below), whose sum is σ = 250799743315944. Its totient is φ = 40444444000000.

The previous prime is 101111110999993. The next prime is 101111111000063. The reversal of 101111111000000 is 111111101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 49555556 + ... + 51555555.

Almost surely, 2^{101111111000000} is an apocalyptic number.

101111111000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111111000000 is an abundant number, since it is smaller than the sum of its proper divisors (149688632315944).

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

101111111000000 is an frugal number, since it uses more digits than its factorization.

101111111000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111153 (or 101111118 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 101111111000000 its reverse (111111101), we get a palindrome (101111222111101).

It can be divided in two parts, 10111111 and 1000000, that added together give a palindrome (11111111).

The spelling of 101111111000000 in words is "one hundred one trillion, one hundred eleven billion, one hundred eleven million", and thus it is an aban number.