202201121221241 has 2 divisors, whose sum is σ = 202201121221242. Its totient is φ = 202201121221240.

The previous prime is 202201121221207. The next prime is 202201121221279. The reversal of 202201121221241 is 142122121102202.

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., 128886067840000 + 73315053381241 = 11352800^2 + 8562421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202201121221241 is a prime.

It is not a weakly prime, because it can be changed into another prime (202201121227241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100560610620 + 101100560610621.

It is an arithmetic number, because the mean of its divisors is an integer number (101100560610621).

Almost surely, 2^{202201121221241} is an apocalyptic number.

It is an amenable number.

202201121221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201121221241 is an equidigital number, since it uses as much as digits as its factorization.

202201121221241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 202201121221241 its reverse (142122121102202), we get a palindrome (344323242323443).

The spelling of 202201121221241 in words is "two hundred two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-one".