111020121113023 has 2 divisors, whose sum is σ = 111020121113024. Its totient is φ = 111020121113022.

The previous prime is 111020121112997. The next prime is 111020121113053. The reversal of 111020121113023 is 320311121020111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111020121113023 - 2³⁷ = 110882682159551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020121113053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510060556511 + 55510060556512.

It is an arithmetic number, because the mean of its divisors is an integer number (55510060556512).

Almost surely, 2^{111020121113023} is an apocalyptic number.

111020121113023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020121113023 is an equidigital number, since it uses as much as digits as its factorization.

111020121113023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111020121113023 its reverse (320311121020111), we get a palindrome (431331242133134).

The spelling of 111020121113023 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-one million, one hundred thirteen thousand, twenty-three".