11111120011102 has 32 divisors (see below), whose sum is σ = 17885569766400. Its totient is φ = 5161357827648.

The previous prime is 11111120011097. The next prime is 11111120011163. The reversal of 11111120011102 is 20111002111111.

It is a super-2 number, since 2×11111120011102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9217327 + ... + 10352842.

It is an arithmetic number, because the mean of its divisors is an integer number (558924055200).

Almost surely, 2^{11111120011102} is an apocalyptic number.

11111120011102 is a deficient number, since it is larger than the sum of its proper divisors (6774449755298).

11111120011102 is a wasteful number, since it uses less digits than its factorization.

11111120011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19570480.

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

Adding to 11111120011102 its reverse (20111002111111), we get a palindrome (31222122122213).

The spelling of 11111120011102 in words is "eleven trillion, one hundred eleven billion, one hundred twenty million, eleven thousand, one hundred two".