102213317797 has 2 divisors, whose sum is σ = 102213317798. Its totient is φ = 102213317796.

The previous prime is 102213317783. The next prime is 102213317807. The reversal of 102213317797 is 797713312201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99482837281 + 2730480516 = 315409^2 + 52254^2 .

It is a cyclic number.

It is not a de Polignac number, because 102213317797 - 2¹¹ = 102213315749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102213317197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106658898 + 51106658899.

It is an arithmetic number, because the mean of its divisors is an integer number (51106658899).

Almost surely, 2^102213317797 is an apocalyptic number.

It is an amenable number.

102213317797 is a deficient number, since it is larger than the sum of its proper divisors (1).

102213317797 is an equidigital number, since it uses as much as digits as its factorization.

102213317797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 43.

Adding to 102213317797 its reverse (797713312201), we get a palindrome (899926629998).

The spelling of 102213317797 in words is "one hundred two billion, two hundred thirteen million, three hundred seventeen thousand, seven hundred ninety-seven".