21102211022023 has 2 divisors, whose sum is σ = 21102211022024. Its totient is φ = 21102211022022.

The previous prime is 21102211021993. The next prime is 21102211022077. The reversal of 21102211022023 is 32022011220112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21102211022023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21102211022093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551105511011 + 10551105511012.

It is an arithmetic number, because the mean of its divisors is an integer number (10551105511012).

Almost surely, 2^{21102211022023} is an apocalyptic number.

21102211022023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21102211022023 is an equidigital number, since it uses as much as digits as its factorization.

21102211022023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21102211022023 its reverse (32022011220112), we get a palindrome (53124222242135).

The spelling of 21102211022023 in words is "twenty-one trillion, one hundred two billion, two hundred eleven million, twenty-two thousand, twenty-three".