2233210023221 has 2 divisors, whose sum is σ = 2233210023222. Its totient is φ = 2233210023220.

The previous prime is 2233210023199. The next prime is 2233210023263. The reversal of 2233210023221 is 1223200123322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2179872120721 + 53337902500 = 1476439^2 + 230950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2233210023221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2233210023281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116605011610 + 1116605011611.

It is an arithmetic number, because the mean of its divisors is an integer number (1116605011611).

Almost surely, 2^{2233210023221} is an apocalyptic number.

It is an amenable number.

2233210023221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2233210023221 is an equidigital number, since it uses as much as digits as its factorization.

2233210023221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2233210023221 its reverse (1223200123322), we get a palindrome (3456410146543).

The spelling of 2233210023221 in words is "two trillion, two hundred thirty-three billion, two hundred ten million, twenty-three thousand, two hundred twenty-one".