22310120010221 has 2 divisors, whose sum is σ = 22310120010222. Its totient is φ = 22310120010220.

The previous prime is 22310120010173. The next prime is 22310120010247. The reversal of 22310120010221 is 12201002101322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11188095109321 + 11122024900900 = 3344861^2 + 3334970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22310120010221 is a prime.

It is a super-3 number, since 3×22310120010221³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22310120010221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22310120010281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155060005110 + 11155060005111.

It is an arithmetic number, because the mean of its divisors is an integer number (11155060005111).

Almost surely, 2^{22310120010221} is an apocalyptic number.

It is an amenable number.

22310120010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22310120010221 is an equidigital number, since it uses as much as digits as its factorization.

22310120010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22310120010221 its reverse (12201002101322), we get a palindrome (34511122111543).

The spelling of 22310120010221 in words is "twenty-two trillion, three hundred ten billion, one hundred twenty million, ten thousand, two hundred twenty-one".