122310220211021 has 2 divisors, whose sum is σ = 122310220211022. Its totient is φ = 122310220211020.

The previous prime is 122310220210979. The next prime is 122310220211059. The reversal of 122310220211021 is 120112022013221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122168565834121 + 141654376900 = 11052989^2 + 376370^2 .

It is a cyclic number.

It is not a de Polignac number, because 122310220211021 - 2¹⁴ = 122310220194637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122310220210984 and 122310220211002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122310220210021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155110105510 + 61155110105511.

It is an arithmetic number, because the mean of its divisors is an integer number (61155110105511).

Almost surely, 2^{122310220211021} is an apocalyptic number.

It is an amenable number.

122310220211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122310220211021 is an equidigital number, since it uses as much as digits as its factorization.

122310220211021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 122310220211021 its reverse (120112022013221), we get a palindrome (242422242224242).

The spelling of 122310220211021 in words is "one hundred twenty-two trillion, three hundred ten billion, two hundred twenty million, two hundred eleven thousand, twenty-one".