220023011111 has 2 divisors, whose sum is σ = 220023011112. Its totient is φ = 220023011110.

The previous prime is 220023011099. The next prime is 220023011119. The reversal of 220023011111 is 111110320022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220023011111 - 2²⁶ = 219955902247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220023011119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011505555 + 110011505556.

It is an arithmetic number, because the mean of its divisors is an integer number (110011505556).

Almost surely, 2^220023011111 is an apocalyptic number.

220023011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220023011111 is an equidigital number, since it uses as much as digits as its factorization.

220023011111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 220023011111 its reverse (111110320022), we get a palindrome (331133331133).

The spelling of 220023011111 in words is "two hundred twenty billion, twenty-three million, eleven thousand, one hundred eleven".