22011021023 has 2 divisors, whose sum is σ = 22011021024. Its totient is φ = 22011021022.

The previous prime is 22011020989. The next prime is 22011021041. The reversal of 22011021023 is 32012011022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22011021023 - 2⁶ = 22011020959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011020989 and 22011021007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011020023) 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, 11005510511 + 11005510512.

It is an arithmetic number, because the mean of its divisors is an integer number (11005510512).

Almost surely, 2^22011021023 is an apocalyptic number.

22011021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011021023 is an equidigital number, since it uses as much as digits as its factorization.

22011021023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22011021023 its reverse (32012011022), we get a palindrome (54023032045).

The spelling of 22011021023 in words is "twenty-two billion, eleven million, twenty-one thousand, twenty-three".