2200300121 has 2 divisors, whose sum is σ = 2200300122. Its totient is φ = 2200300120.

The previous prime is 2200300117. The next prime is 2200300177. The reversal of 2200300121 is 1210030022.

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., 1557170521 + 643129600 = 39461^2 + 25360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200300121 - 2² = 2200300117 is a prime.

It is a super-2 number, since 2×2200300121² = 9682641244945229282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2200300321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100150060 + 1100150061.

It is an arithmetic number, because the mean of its divisors is an integer number (1100150061).

Almost surely, 2^2200300121 is an apocalyptic number.

It is an amenable number.

2200300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200300121 is an equidigital number, since it uses as much as digits as its factorization.

2200300121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2200300121 is about 46907.3567897403. The cubic root of 2200300121 is about 1300.6505857995.

Adding to 2200300121 its reverse (1210030022), we get a palindrome (3410330143).

The spelling of 2200300121 in words is "two billion, two hundred million, three hundred thousand, one hundred twenty-one".