2202000121 has 4 divisors (see below), whose sum is σ = 2202772644. Its totient is φ = 2201227600.

The previous prime is 2202000103. The next prime is 2202000167. The reversal of 2202000121 is 1210002022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 721674496 + 1480325625 = 26864^2 + 38475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202000121 - 2¹⁹ = 2201475833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202000098 and 2202000107.

It is not an unprimeable number, because it can be changed into a prime (2202000181) 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, 381970 + ... + 387691.

It is an arithmetic number, because the mean of its divisors is an integer number (550693161).

Almost surely, 2^2202000121 is an apocalyptic number.

It is an amenable number.

2202000121 is a deficient number, since it is larger than the sum of its proper divisors (772523).

2202000121 is an equidigital number, since it uses as much as digits as its factorization.

2202000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772522.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2202000121 is about 46925.4741158787. The cubic root of 2202000121 is about 1300.9854699318.

Adding to 2202000121 its reverse (1210002022), we get a palindrome (3412002143).

The spelling of 2202000121 in words is "two billion, two hundred two million, one hundred twenty-one", and thus it is an aban number.