111231302022013 has 2 divisors, whose sum is σ = 111231302022014. Its totient is φ = 111231302022012.

The previous prime is 111231302022011. The next prime is 111231302022031. The reversal of 111231302022013 is 310220203132111.

Together with next prime (111231302022031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103332043266169 + 7899258755844 = 10165237^2 + 2810562^2 .

It is a cyclic number.

It is not a de Polignac number, because 111231302022013 - 2¹ = 111231302022011 is a prime.

Together with 111231302022011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111231302022011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615651011006 + 55615651011007.

It is an arithmetic number, because the mean of its divisors is an integer number (55615651011007).

Almost surely, 2^{111231302022013} is an apocalyptic number.

It is an amenable number.

111231302022013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111231302022013 is an equidigital number, since it uses as much as digits as its factorization.

111231302022013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 111231302022013 its reverse (310220203132111), we get a palindrome (421451505154124).

The spelling of 111231302022013 in words is "one hundred eleven trillion, two hundred thirty-one billion, three hundred two million, twenty-two thousand, thirteen".