2221002012253 has 2 divisors, whose sum is σ = 2221002012254. Its totient is φ = 2221002012252.

The previous prime is 2221002012211. The next prime is 2221002012289. The reversal of 2221002012253 is 3522102001222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2089681298329 + 131320713924 = 1445573^2 + 362382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221002012253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221002072253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110501006126 + 1110501006127.

It is an arithmetic number, because the mean of its divisors is an integer number (1110501006127).

Almost surely, 2^{2221002012253} is an apocalyptic number.

It is an amenable number.

2221002012253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221002012253 is an equidigital number, since it uses as much as digits as its factorization.

2221002012253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 2221002012253 its reverse (3522102001222), we get a palindrome (5743104013475).

The spelling of 2221002012253 in words is "two trillion, two hundred twenty-one billion, two million, twelve thousand, two hundred fifty-three".