2020222201121 has 2 divisors, whose sum is σ = 2020222201122. Its totient is φ = 2020222201120.

The previous prime is 2020222201103. The next prime is 2020222201157. The reversal of 2020222201121 is 1211022220202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1844775150625 + 175447050496 = 1358225^2 + 418864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020222201121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020222201121.

It is not a weakly prime, because it can be changed into another prime (2020222200121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010111100560 + 1010111100561.

It is an arithmetic number, because the mean of its divisors is an integer number (1010111100561).

Almost surely, 2^{2020222201121} is an apocalyptic number.

It is an amenable number.

2020222201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020222201121 is an equidigital number, since it uses as much as digits as its factorization.

2020222201121 is an evil number, because the sum of its binary digits is even.

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

Adding to 2020222201121 its reverse (1211022220202), we get a palindrome (3231244421323).

The spelling of 2020222201121 in words is "two trillion, twenty billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-one".