111113011132031 has 4 divisors (see below), whose sum is σ = 111116207835600. Its totient is φ = 111109814428464.

The previous prime is 111113011132009. The next prime is 111113011132037. The reversal of 111113011132031 is 130231110311111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111113011132031 is a prime.

It is a super-2 number, since 2×111113011132031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111113011131994 and 111113011132012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113011132037) 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, 1598299646 + ... + 1598369163.

It is an arithmetic number, because the mean of its divisors is an integer number (27779051958900).

Almost surely, 2^{111113011132031} is an apocalyptic number.

111113011132031 is a deficient number, since it is larger than the sum of its proper divisors (3196703569).

111113011132031 is an equidigital number, since it uses as much as digits as its factorization.

111113011132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196703568.

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

Adding to 111113011132031 its reverse (130231110311111), we get a palindrome (241344121443142).

The spelling of 111113011132031 in words is "one hundred eleven trillion, one hundred thirteen billion, eleven million, one hundred thirty-two thousand, thirty-one".