111221020013023 has 2 divisors, whose sum is σ = 111221020013024. Its totient is φ = 111221020013022.

The previous prime is 111221020013011. The next prime is 111221020013027. The reversal of 111221020013023 is 320310020122111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111221020013023 - 2²¹ = 111221017915871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221020013027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610510006511 + 55610510006512.

It is an arithmetic number, because the mean of its divisors is an integer number (55610510006512).

Almost surely, 2^{111221020013023} is an apocalyptic number.

111221020013023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221020013023 is an equidigital number, since it uses as much as digits as its factorization.

111221020013023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111221020013023 its reverse (320310020122111), we get a palindrome (431531040135134).

The spelling of 111221020013023 in words is "one hundred eleven trillion, two hundred twenty-one billion, twenty million, thirteen thousand, twenty-three".