122322210021 has 20 divisors (see below), whose sum is σ = 199339899264. Its totient is φ = 74134672200.

The previous prime is 122322209983. The next prime is 122322210053. The reversal of 122322210021 is 120012223221.

It is not a de Polignac number, because 122322210021 - 2²⁷ = 122187992293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122322209976 and 122322210003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122322210421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68642325 + ... + 68644106.

Almost surely, 2^122322210021 is an apocalyptic number.

122322210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122322210021 is a deficient number, since it is larger than the sum of its proper divisors (77017689243).

122322210021 is a wasteful number, since it uses less digits than its factorization.

122322210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137286454 (or 137286445 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122322210021 its reverse (120012223221), we get a palindrome (242334433242).

The spelling of 122322210021 in words is "one hundred twenty-two billion, three hundred twenty-two million, two hundred ten thousand, twenty-one".