21100223210023 has 2 divisors, whose sum is σ = 21100223210024. Its totient is φ = 21100223210022.

The previous prime is 21100223209963. The next prime is 21100223210029. The reversal of 21100223210023 is 32001232200112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21100223210023 - 2²⁹ = 21099686339111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21100223210029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550111605011 + 10550111605012.

It is an arithmetic number, because the mean of its divisors is an integer number (10550111605012).

Almost surely, 2^{21100223210023} is an apocalyptic number.

21100223210023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100223210023 is an equidigital number, since it uses as much as digits as its factorization.

21100223210023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21100223210023 its reverse (32001232200112), we get a palindrome (53101455410135).

The spelling of 21100223210023 in words is "twenty-one trillion, one hundred billion, two hundred twenty-three million, two hundred ten thousand, twenty-three".