1111013120131 has 4 divisors (see below), whose sum is σ = 1112082431200. Its totient is φ = 1109943809064.

The previous prime is 1111013120123. The next prime is 1111013120197. The reversal of 1111013120131 is 1310213101111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111013120131 - 2³ = 1111013120123 is a prime.

It is a super-2 number, since 2×1111013120131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111013120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534653976 + ... + 534656053.

It is an arithmetic number, because the mean of its divisors is an integer number (278020607800).

Almost surely, 2^{1111013120131} is an apocalyptic number.

1111013120131 is a deficient number, since it is larger than the sum of its proper divisors (1069311069).

1111013120131 is a wasteful number, since it uses less digits than its factorization.

1111013120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069311068.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1111013120131 its reverse (1310213101111), we get a palindrome (2421226221242).

The spelling of 1111013120131 in words is "one trillion, one hundred eleven billion, thirteen million, one hundred twenty thousand, one hundred thirty-one".