2210130321257 has 2 divisors, whose sum is σ = 2210130321258. Its totient is φ = 2210130321256.

The previous prime is 2210130321239. The next prime is 2210130321323. The reversal of 2210130321257 is 7521230310122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2162961431401 + 47168889856 = 1470701^2 + 217184^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210130321257 - 2⁶ = 2210130321193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210130321857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105065160628 + 1105065160629.

It is an arithmetic number, because the mean of its divisors is an integer number (1105065160629).

Almost surely, 2^{2210130321257} is an apocalyptic number.

It is an amenable number.

2210130321257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210130321257 is an equidigital number, since it uses as much as digits as its factorization.

2210130321257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 2210130321257 its reverse (7521230310122), we get a palindrome (9731360631379).

The spelling of 2210130321257 in words is "two trillion, two hundred ten billion, one hundred thirty million, three hundred twenty-one thousand, two hundred fifty-seven".