2022121220201 has 16 divisors (see below), whose sum is σ = 2085731210640. Its totient is φ = 1959235153920.

The previous prime is 2022121220131. The next prime is 2022121220209. The reversal of 2022121220201 is 1020221212202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 31073228176 + 1991047992025 = 176276^2 + 1411045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022121220201 - 2²² = 2022117025897 is a prime.

It is a super-2 number, since 2×2022121220201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2022121220201.

It is not an unprimeable number, because it can be changed into a prime (2022121220209) 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, 3456185 + ... + 3998681.

It is an arithmetic number, because the mean of its divisors is an integer number (130358200665).

Almost surely, 2^{2022121220201} is an apocalyptic number.

It is an amenable number.

2022121220201 is a deficient number, since it is larger than the sum of its proper divisors (63609990439).

2022121220201 is a wasteful number, since it uses less digits than its factorization.

2022121220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543164.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2022121220201 its reverse (1020221212202), we get a palindrome (3042342432403).

The spelling of 2022121220201 in words is "two trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred one".