122122000122021 has 12 divisors (see below), whose sum is σ = 176502269507200. Its totient is φ = 81366747569640.

The previous prime is 122122000121941. The next prime is 122122000122029. The reversal of 122122000122021 is 120221000221221.

It is a happy number.

122122000122021 is a `hidden beast` number, since 1 + 221 + 2 + 200 + 0 + 1 + 220 + 21 = 666.

It is not a de Polignac number, because 122122000122021 - 2³⁷ = 121984561168549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122122000121985 and 122122000122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122000122029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3993248725 + ... + 3993279306.

Almost surely, 2^{122122000122021} is an apocalyptic number.

It is an amenable number.

122122000122021 is a deficient number, since it is larger than the sum of its proper divisors (54380269385179).

122122000122021 is a wasteful number, since it uses less digits than its factorization.

122122000122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986529736 (or 7986529733 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122122000122021 its reverse (120221000221221), we get a palindrome (242343000343242).

The spelling of 122122000122021 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two thousand, twenty-one".