111331002020023 has 2 divisors, whose sum is σ = 111331002020024. Its totient is φ = 111331002020022.

The previous prime is 111331002019927. The next prime is 111331002020027. The reversal of 111331002020023 is 320020200133111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111331002020023 - 2⁹ = 111331002019511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111331002020027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665501010011 + 55665501010012.

It is an arithmetic number, because the mean of its divisors is an integer number (55665501010012).

Almost surely, 2^{111331002020023} is an apocalyptic number.

111331002020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111331002020023 is an equidigital number, since it uses as much as digits as its factorization.

111331002020023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111331002020023 its reverse (320020200133111), we get a palindrome (431351202153134).

The spelling of 111331002020023 in words is "one hundred eleven trillion, three hundred thirty-one billion, two million, twenty thousand, twenty-three".