122222020022021 has 16 divisors (see below), whose sum is σ = 127259937553344. Its totient is φ = 117275784764544.

The previous prime is 122222020021949. The next prime is 122222020022023. The reversal of 122222020022021 is 120220020222221.

It is a cyclic number.

It is not a de Polignac number, because 122222020022021 - 2³⁰ = 122220946280197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122222020021984 and 122222020022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222020022023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20124770 + ... + 25484316.

It is an arithmetic number, because the mean of its divisors is an integer number (7953746097084).

Almost surely, 2^{122222020022021} is an apocalyptic number.

It is an amenable number.

122222020022021 is a deficient number, since it is larger than the sum of its proper divisors (5037917531323).

122222020022021 is an equidigital number, since it uses as much as digits as its factorization.

122222020022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368100.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122222020022021 its reverse (120220020222221), we get a palindrome (242442040244242).

The spelling of 122222020022021 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, twenty million, twenty-two thousand, twenty-one".