11101113113031 has 48 divisors (see below), whose sum is σ = 16568697919488. Its totient is φ = 7154872948800.

The previous prime is 11101113113029. The next prime is 11101113113039. The reversal of 11101113113031 is 13031131110111.

It is not a de Polignac number, because 11101113113031 - 2¹ = 11101113113029 is a prime.

It is a super-2 number, since 2×11101113113031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101113112995 and 11101113113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101113113039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1777027950 + ... + 1777034196.

It is an arithmetic number, because the mean of its divisors is an integer number (345181206656).

Almost surely, 2^{11101113113031} is an apocalyptic number.

11101113113031 is a deficient number, since it is larger than the sum of its proper divisors (5467584806457).

11101113113031 is a wasteful number, since it uses less digits than its factorization.

11101113113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612 (or 11609 counting only the distinct ones).

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

Adding to 11101113113031 its reverse (13031131110111), we get a palindrome (24132244223142).

The spelling of 11101113113031 in words is "eleven trillion, one hundred one billion, one hundred thirteen million, one hundred thirteen thousand, thirty-one".