2200121201 has 2 divisors, whose sum is σ = 2200121202. Its totient is φ = 2200121200.

The previous prime is 2200121191. The next prime is 2200121251. The reversal of 2200121201 is 1021210022.

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., 2158531600 + 41589601 = 46460^2 + 6449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200121201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2200121251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100060600 + 1100060601.

It is an arithmetic number, because the mean of its divisors is an integer number (1100060601).

Almost surely, 2^2200121201 is an apocalyptic number.

It is an amenable number.

2200121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200121201 is an equidigital number, since it uses as much as digits as its factorization.

2200121201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2200121201 is about 46905.4495874413. The cubic root of 2200121201 is about 1300.6153301983.

Adding to 2200121201 its reverse (1021210022), we get a palindrome (3221331223).

The spelling of 2200121201 in words is "two billion, two hundred million, one hundred twenty-one thousand, two hundred one".