2123221002151 has 2 divisors, whose sum is σ = 2123221002152. Its totient is φ = 2123221002150.

The previous prime is 2123221002109. The next prime is 2123221002211. The reversal of 2123221002151 is 1512001223212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123221002151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123227002151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061610501075 + 1061610501076.

It is an arithmetic number, because the mean of its divisors is an integer number (1061610501076).

Almost surely, 2^{2123221002151} is an apocalyptic number.

2123221002151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123221002151 is an equidigital number, since it uses as much as digits as its factorization.

2123221002151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 2123221002151 its reverse (1512001223212), we get a palindrome (3635222225363).

The spelling of 2123221002151 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-one million, two thousand, one hundred fifty-one".