213122201023 has 2 divisors, whose sum is σ = 213122201024. Its totient is φ = 213122201022.

The previous prime is 213122200999. The next prime is 213122201027. The reversal of 213122201023 is 320102221312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213122201023 - 2³⁷ = 75683247551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213122201027) 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, 106561100511 + 106561100512.

It is an arithmetic number, because the mean of its divisors is an integer number (106561100512).

Almost surely, 2^213122201023 is an apocalyptic number.

213122201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213122201023 is an equidigital number, since it uses as much as digits as its factorization.

213122201023 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 213122201023 its reverse (320102221312), we get a palindrome (533224422335).

The spelling of 213122201023 in words is "two hundred thirteen billion, one hundred twenty-two million, two hundred one thousand, twenty-three".