210233221351 has 2 divisors, whose sum is σ = 210233221352. Its totient is φ = 210233221350.

The previous prime is 210233221307. The next prime is 210233221379. The reversal of 210233221351 is 153122332012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210233221351 - 2⁷ = 210233221223 is a prime.

It is a super-3 number, since 3×210233221351³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210233291351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105116610675 + 105116610676.

It is an arithmetic number, because the mean of its divisors is an integer number (105116610676).

Almost surely, 2^210233221351 is an apocalyptic number.

210233221351 is a deficient number, since it is larger than the sum of its proper divisors (1).

210233221351 is an equidigital number, since it uses as much as digits as its factorization.

210233221351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 210233221351 its reverse (153122332012), we get a palindrome (363355553363).

The spelling of 210233221351 in words is "two hundred ten billion, two hundred thirty-three million, two hundred twenty-one thousand, three hundred fifty-one".