122213023021 has 2 divisors, whose sum is σ = 122213023022. Its totient is φ = 122213023020.

The previous prime is 122213022991. The next prime is 122213023027. The reversal of 122213023021 is 120320312221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120329896996 + 1883126025 = 346886^2 + 43395^2 .

It is a cyclic number.

It is not a de Polignac number, because 122213023021 - 2²³ = 122204634413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122213023021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122213023027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106511510 + 61106511511.

It is an arithmetic number, because the mean of its divisors is an integer number (61106511511).

Almost surely, 2^122213023021 is an apocalyptic number.

It is an amenable number.

122213023021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122213023021 is an equidigital number, since it uses as much as digits as its factorization.

122213023021 is an evil number, because the sum of its binary digits is even.

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

Adding to 122213023021 its reverse (120320312221), we get a palindrome (242533335242).

The spelling of 122213023021 in words is "one hundred twenty-two billion, two hundred thirteen million, twenty-three thousand, twenty-one".