2020222211121 has 6 divisors (see below), whose sum is σ = 2918098749410. Its totient is φ = 1346814807408.

The previous prime is 2020222211087. The next prime is 2020222211123. The reversal of 2020222211121 is 1211122220202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1191075380496 + 829146830625 = 1091364^2 + 910575^2 .

It is not a de Polignac number, because 2020222211121 - 2¹⁴ = 2020222194737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020222211094 and 2020222211103.

It is not an unprimeable number, because it can be changed into a prime (2020222211123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112234567276 + ... + 112234567293.

Almost surely, 2^{2020222211121} is an apocalyptic number.

It is an amenable number.

2020222211121 is a deficient number, since it is larger than the sum of its proper divisors (897876538289).

2020222211121 is a wasteful number, since it uses less digits than its factorization.

2020222211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224469134575 (or 224469134572 counting only the distinct ones).

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

Adding to 2020222211121 its reverse (1211122220202), we get a palindrome (3231344431323).

The spelling of 2020222211121 in words is "two trillion, twenty billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".