11111113230102 has 32 divisors (see below), whose sum is σ = 24691472991360. Its totient is φ = 3703687871400.

The previous prime is 11111113230089. The next prime is 11111113230187. The reversal of 11111113230102 is 20103231111111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20613073 + ... + 21145235.

It is an arithmetic number, because the mean of its divisors is an integer number (771608530980).

Almost surely, 2^{11111113230102} is an apocalyptic number.

11111113230102 is an abundant number, since it is smaller than the sum of its proper divisors (13580359761258).

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

11111113230102 is a wasteful number, since it uses less digits than its factorization.

11111113230102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918825 (or 918819 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11111113230102 its reverse (20103231111111), we get a palindrome (31214344341213).

The spelling of 11111113230102 in words is "eleven trillion, one hundred eleven billion, one hundred thirteen million, two hundred thirty thousand, one hundred two".