111216631133 has 2 divisors, whose sum is σ = 111216631134. Its totient is φ = 111216631132.

The previous prime is 111216631087. The next prime is 111216631187. The reversal of 111216631133 is 331136612111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57935527204 + 53281103929 = 240698^2 + 230827^2 .

It is a cyclic number.

It is not a de Polignac number, because 111216631133 - 2²⁴ = 111199853917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111216631096 and 111216631105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111216681133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55608315566 + 55608315567.

It is an arithmetic number, because the mean of its divisors is an integer number (55608315567).

Almost surely, 2^111216631133 is an apocalyptic number.

It is an amenable number.

111216631133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111216631133 is an equidigital number, since it uses as much as digits as its factorization.

111216631133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The spelling of 111216631133 in words is "one hundred eleven billion, two hundred sixteen million, six hundred thirty-one thousand, one hundred thirty-three".