101111111000012 has 48 divisors (see below), whose sum is σ = 180946468684800. Its totient is φ = 49421698764480.

The previous prime is 101111110999993. The next prime is 101111111000063. The reversal of 101111111000012 is 210000111111101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101111110999957 and 101111111000002.

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, 1144018439 + ... + 1144106817.

It is an arithmetic number, because the mean of its divisors is an integer number (3769718097600).

Almost surely, 2^{101111111000012} is an apocalyptic number.

It is an amenable number.

101111111000012 is a deficient number, since it is larger than the sum of its proper divisors (79835357684788).

101111111000012 is a wasteful number, since it uses less digits than its factorization.

101111111000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115406 (or 115404 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 101111111000012 its reverse (210000111111101), we get a palindrome (311111222111113).

The spelling of 101111111000012 in words is "one hundred one trillion, one hundred eleven billion, one hundred eleven million, twelve", and thus it is an aban number.