122122020201221 has 32 divisors (see below), whose sum is σ = 132043086489600. Its totient is φ = 112613999984640.

The previous prime is 122122020201217. The next prime is 122122020201263. The reversal of 122122020201221 is 122102020221221.

It is a cyclic number.

It is not a de Polignac number, because 122122020201221 - 2² = 122122020201217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122122020201193 and 122122020201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122020201421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2986067045 + ... + 2986107941.

It is an arithmetic number, because the mean of its divisors is an integer number (4126346452800).

Almost surely, 2^{122122020201221} is an apocalyptic number.

It is an amenable number.

122122020201221 is a deficient number, since it is larger than the sum of its proper divisors (9921066288379).

122122020201221 is a wasteful number, since it uses less digits than its factorization.

122122020201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56789.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122122020201221 its reverse (122102020221221), we get a palindrome (244224040422442).

The spelling of 122122020201221 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty million, two hundred one thousand, two hundred twenty-one".