2130332330221 has 2 divisors, whose sum is σ = 2130332330222. Its totient is φ = 2130332330220.

The previous prime is 2130332330201. The next prime is 2130332330251. The reversal of 2130332330221 is 1220332330312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1375023592996 + 755308737225 = 1172614^2 + 869085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130332330221 - 2¹⁵ = 2130332297453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130332330201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065166165110 + 1065166165111.

It is an arithmetic number, because the mean of its divisors is an integer number (1065166165111).

Almost surely, 2^{2130332330221} is an apocalyptic number.

It is an amenable number.

2130332330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130332330221 is an equidigital number, since it uses as much as digits as its factorization.

2130332330221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2130332330221 its reverse (1220332330312), we get a palindrome (3350664660533).

Subtracting from 2130332330221 its reverse (1220332330312), we obtain a palindrome (909999999909).

The spelling of 2130332330221 in words is "two trillion, one hundred thirty billion, three hundred thirty-two million, three hundred thirty thousand, two hundred twenty-one".