22121311301 has 2 divisors, whose sum is σ = 22121311302. Its totient is φ = 22121311300.

The previous prime is 22121311213. The next prime is 22121311313. The reversal of 22121311301 is 10311312122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21786055201 + 335256100 = 147601^2 + 18310^2 .

It is a cyclic number.

It is not a de Polignac number, because 22121311301 - 2¹⁸ = 22121049157 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 22121311301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121311361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060655650 + 11060655651.

It is an arithmetic number, because the mean of its divisors is an integer number (11060655651).

Almost surely, 2^22121311301 is an apocalyptic number.

It is an amenable number.

22121311301 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121311301 is an equidigital number, since it uses as much as digits as its factorization.

22121311301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22121311301 its reverse (10311312122), we get a palindrome (32432623423).

The spelling of 22121311301 in words is "twenty-two billion, one hundred twenty-one million, three hundred eleven thousand, three hundred one".