202211200210121 has 2 divisors, whose sum is σ = 202211200210122. Its totient is φ = 202211200210120.

The previous prime is 202211200209983. The next prime is 202211200210177. The reversal of 202211200210121 is 121012002112202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148747026123721 + 53464174086400 = 12196189^2 + 7311920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202211200210121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202211200210121.

It is not a weakly prime, because it can be changed into another prime (202211200210421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105600105060 + 101105600105061.

It is an arithmetic number, because the mean of its divisors is an integer number (101105600105061).

Almost surely, 2^{202211200210121} is an apocalyptic number.

It is an amenable number.

202211200210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

202211200210121 is an equidigital number, since it uses as much as digits as its factorization.

202211200210121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202211200210121 its reverse (121012002112202), we get a palindrome (323223202322323).

The spelling of 202211200210121 in words is "two hundred two trillion, two hundred eleven billion, two hundred million, two hundred ten thousand, one hundred twenty-one".