10111111100000 has 72 divisors (see below), whose sum is σ = 24881220218736. Its totient is φ = 4044444400000.

The previous prime is 10111111099993. The next prime is 10111111100039. The reversal of 10111111100000 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 11 ways as a sum of consecutive naturals, for example, 50455556 + ... + 50655555.

It is an arithmetic number, because the mean of its divisors is an integer number (345572503038).

Almost surely, 2^{10111111100000} is an apocalyptic number.

10111111100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111111100000 is an abundant number, since it is smaller than the sum of its proper divisors (14770109118736).

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

10111111100000 is an frugal number, since it uses more digits than its factorization.

10111111100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101111146 (or 101111118 counting only the distinct ones).

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

Adding to 10111111100000 its reverse (111111101), we get a palindrome (10111222211101).

The spelling of 10111111100000 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, one hundred thousand".