111120101023 has 2 divisors, whose sum is σ = 111120101024. Its totient is φ = 111120101022.

The previous prime is 111120100969. The next prime is 111120101033. The reversal of 111120101023 is 320101021111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (320101021111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111120101023 - 2²⁹ = 110583230111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111120100994 and 111120101012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111120101033) 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, 55560050511 + 55560050512.

It is an arithmetic number, because the mean of its divisors is an integer number (55560050512).

Almost surely, 2^111120101023 is an apocalyptic number.

111120101023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120101023 is an equidigital number, since it uses as much as digits as its factorization.

111120101023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111120101023 its reverse (320101021111), we get a palindrome (431221122134).

The spelling of 111120101023 in words is "one hundred eleven billion, one hundred twenty million, one hundred one thousand, twenty-three".