111312100020983 has 2 divisors, whose sum is σ = 111312100020984. Its totient is φ = 111312100020982.

The previous prime is 111312100020967. The next prime is 111312100021027. The reversal of 111312100020983 is 389020001213111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111312100020983 - 2⁴ = 111312100020967 is a prime.

It is a super-2 number, since 2×111312100020983² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111312100020383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656050010491 + 55656050010492.

It is an arithmetic number, because the mean of its divisors is an integer number (55656050010492).

Almost surely, 2^{111312100020983} is an apocalyptic number.

111312100020983 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312100020983 is an equidigital number, since it uses as much as digits as its factorization.

111312100020983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 111312100020983 in words is "one hundred eleven trillion, three hundred twelve billion, one hundred million, twenty thousand, nine hundred eighty-three".