111113131113 has 12 divisors (see below), whose sum is σ = 161481389680. Its totient is φ = 73620969336.

The previous prime is 111113131099. The next prime is 111113131121. The reversal of 111113131113 is 311131311111.

It is not a de Polignac number, because 111113131113 - 2¹⁷ = 111113000041 is a prime.

It is a super-2 number, since 2×111113131113² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111113131133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 37869403 + ... + 37872336.

Almost surely, 2^111113131113 is an apocalyptic number.

It is an amenable number.

111113131113 is a deficient number, since it is larger than the sum of its proper divisors (50368258567).

111113131113 is a wasteful number, since it uses less digits than its factorization.

111113131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75741908 (or 75741905 counting only the distinct ones).

The product of its digits is 27, while the sum is 18.

Adding to 111113131113 its reverse (311131311111), we get a palindrome (422244442224).

The spelling of 111113131113 in words is "one hundred eleven billion, one hundred thirteen million, one hundred thirty-one thousand, one hundred thirteen".