11111102110120 has 64 divisors (see below), whose sum is σ = 25889246263440. Its totient is φ = 4289098444800.

The previous prime is 11111102110079. The next prime is 11111102110151. The reversal of 11111102110120 is 2101120111111.

It can be written as a sum of positive squares in 8 ways, for example, as 392143973796 + 10718958136324 = 626214^2 + 3273982^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11111102110120.

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, 42830401 + ... + 43089040.

Almost surely, 2^{11111102110120} is an apocalyptic number.

11111102110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111102110120 is an abundant number, since it is smaller than the sum of its proper divisors (14778144153320).

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

11111102110120 is a wasteful number, since it uses less digits than its factorization.

11111102110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85919566 (or 85919562 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111102110120 its reverse (2101120111111), we get a palindrome (13212222221231).

The spelling of 11111102110120 in words is "eleven trillion, one hundred eleven billion, one hundred two million, one hundred ten thousand, one hundred twenty".