10001111111100 has 108 divisors (see below), whose sum is σ = 32195168542264. Its totient is φ = 2594882874240.

The previous prime is 10001111111083. The next prime is 10001111111143. The reversal of 10001111111100 is 111111110001.

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

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, 150133534 + ... + 150200133.

Almost surely, 2^{10001111111100} is an apocalyptic number.

10001111111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001111111100 is an abundant number, since it is smaller than the sum of its proper divisors (22194057431164).

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

10001111111100 is a wasteful number, since it uses less digits than its factorization.

10001111111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300333724 (or 300333714 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 10001111111100 its reverse (111111110001), we get a palindrome (10112222221101).

The spelling of 10001111111100 in words is "ten trillion, one billion, one hundred eleven million, one hundred eleven thousand, one hundred".