111220322021023 has 2 divisors, whose sum is σ = 111220322021024. Its totient is φ = 111220322021022.

The previous prime is 111220322020963. The next prime is 111220322021033. The reversal of 111220322021023 is 320120223022111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111220322021023 - 2³⁷ = 111082883067551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111220322020985 and 111220322021003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220322021033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610161010511 + 55610161010512.

It is an arithmetic number, because the mean of its divisors is an integer number (55610161010512).

Almost surely, 2^{111220322021023} is an apocalyptic number.

111220322021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220322021023 is an equidigital number, since it uses as much as digits as its factorization.

111220322021023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 111220322021023 its reverse (320120223022111), we get a palindrome (431340545043134).

The spelling of 111220322021023 in words is "one hundred eleven trillion, two hundred twenty billion, three hundred twenty-two million, twenty-one thousand, twenty-three".