2222020200121 has 4 divisors (see below), whose sum is σ = 2222030374992. Its totient is φ = 2222010025252.

The previous prime is 2222020200097. The next prime is 2222020200139. The reversal of 2222020200121 is 1210020202222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2222020200121 - 2⁵ = 2222020200089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222020200095 and 2222020200104.

It is not an unprimeable number, because it can be changed into a prime (2222020200181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4752511 + ... + 5199076.

It is an arithmetic number, because the mean of its divisors is an integer number (555507593748).

Almost surely, 2^{2222020200121} is an apocalyptic number.

It is an amenable number.

2222020200121 is a deficient number, since it is larger than the sum of its proper divisors (10174871).

2222020200121 is an equidigital number, since it uses as much as digits as its factorization.

2222020200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174870.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2222020200121 its reverse (1210020202222), we get a palindrome (3432040402343).

The spelling of 2222020200121 in words is "two trillion, two hundred twenty-two billion, twenty million, two hundred thousand, one hundred twenty-one".