111022778023 has 2 divisors, whose sum is σ = 111022778024. Its totient is φ = 111022778022.

The previous prime is 111022777979. The next prime is 111022778039. The reversal of 111022778023 is 320877220111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111022778023 - 2³³ = 102432843431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111022778023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111022778323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511389011 + 55511389012.

It is an arithmetic number, because the mean of its divisors is an integer number (55511389012).

Almost surely, 2^111022778023 is an apocalyptic number.

111022778023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022778023 is an equidigital number, since it uses as much as digits as its factorization.

111022778023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 111022778023 its reverse (320877220111), we get a palindrome (431899998134).

The spelling of 111022778023 in words is "one hundred eleven billion, twenty-two million, seven hundred seventy-eight thousand, twenty-three".