11100111111102 has 64 divisors (see below), whose sum is σ = 24155991336960. Its totient is φ = 3379986330624.

The previous prime is 11100111111097. The next prime is 11100111111121. The reversal of 11100111111102 is 20111111100111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143405103 + ... + 143482485.

It is an arithmetic number, because the mean of its divisors is an integer number (377437364640).

Almost surely, 2^{11100111111102} is an apocalyptic number.

11100111111102 is an abundant number, since it is smaller than the sum of its proper divisors (13055880225858).

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

11100111111102 is a wasteful number, since it uses less digits than its factorization.

11100111111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96457.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11100111111102 its reverse (20111111100111), we get a palindrome (31211222211213).

The spelling of 11100111111102 in words is "eleven trillion, one hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred two".