111313012101131 has 4 divisors (see below), whose sum is σ = 117860836342392. Its totient is φ = 104765187859872.

The previous prime is 111313012101091. The next prime is 111313012101139. The reversal of 111313012101131 is 131101210313111.

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 111313012101131 - 2³⁸ = 111038134194187 is a prime.

It is a super-2 number, since 2×111313012101131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111313012101139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273912120605 + ... + 3273912120638.

It is an arithmetic number, because the mean of its divisors is an integer number (29465209085598).

Almost surely, 2^{111313012101131} is an apocalyptic number.

111313012101131 is a deficient number, since it is larger than the sum of its proper divisors (6547824241261).

111313012101131 is an equidigital number, since it uses as much as digits as its factorization.

111313012101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547824241260.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 111313012101131 its reverse (131101210313111), we get a palindrome (242414222414242).

The spelling of 111313012101131 in words is "one hundred eleven trillion, three hundred thirteen billion, twelve million, one hundred one thousand, one hundred thirty-one".