21023022301 has 2 divisors, whose sum is σ = 21023022302. Its totient is φ = 21023022300.

The previous prime is 21023022299. The next prime is 21023022329. The reversal of 21023022301 is 10322032012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20451860100 + 571162201 = 143010^2 + 23899^2 .

It is a cyclic number.

It is not a de Polignac number, because 21023022301 - 2¹ = 21023022299 is a prime.

Together with 21023022299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21023022331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511511150 + 10511511151.

It is an arithmetic number, because the mean of its divisors is an integer number (10511511151).

Almost surely, 2^21023022301 is an apocalyptic number.

It is an amenable number.

21023022301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21023022301 is an equidigital number, since it uses as much as digits as its factorization.

21023022301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21023022301 its reverse (10322032012), we get a palindrome (31345054313).

The spelling of 21023022301 in words is "twenty-one billion, twenty-three million, twenty-two thousand, three hundred one".