221033130002351 has 2 divisors, whose sum is σ = 221033130002352. Its totient is φ = 221033130002350.

The previous prime is 221033130002329. The next prime is 221033130002369. The reversal of 221033130002351 is 153200031330122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221033130002351 - 2⁴² = 216635083491247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221033130002351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221033130001351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110516565001175 + 110516565001176.

It is an arithmetic number, because the mean of its divisors is an integer number (110516565001176).

Almost surely, 2^{221033130002351} is an apocalyptic number.

221033130002351 is a deficient number, since it is larger than the sum of its proper divisors (1).

221033130002351 is an equidigital number, since it uses as much as digits as its factorization.

221033130002351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 221033130002351 its reverse (153200031330122), we get a palindrome (374233161332473).

The spelling of 221033130002351 in words is "two hundred twenty-one trillion, thirty-three billion, one hundred thirty million, two thousand, three hundred fifty-one".