222021111023 has 2 divisors, whose sum is σ = 222021111024. Its totient is φ = 222021111022.

The previous prime is 222021110981. The next prime is 222021111041. The reversal of 222021111023 is 320111120222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222021111023 - 2⁶ = 222021110959 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 222021110992 and 222021111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222021110023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010555511 + 111010555512.

It is an arithmetic number, because the mean of its divisors is an integer number (111010555512).

Almost surely, 2^222021111023 is an apocalyptic number.

222021111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021111023 is an equidigital number, since it uses as much as digits as its factorization.

222021111023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222021111023 its reverse (320111120222), we get a palindrome (542132231245).

The spelling of 222021111023 in words is "two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, twenty-three".