102203018938897 has 2 divisors, whose sum is σ = 102203018938898. Its totient is φ = 102203018938896.

The previous prime is 102203018938883. The next prime is 102203018938913. The reversal of 102203018938897 is 798839810302201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68071063769361 + 34131955169536 = 8250519^2 + 5842256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102203018938897 is a prime.

It is not a weakly prime, because it can be changed into another prime (102203018938837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101509469448 + 51101509469449.

It is an arithmetic number, because the mean of its divisors is an integer number (51101509469449).

Almost surely, 2^{102203018938897} is an apocalyptic number.

It is an amenable number.

102203018938897 is a deficient number, since it is larger than the sum of its proper divisors (1).

102203018938897 is an equidigital number, since it uses as much as digits as its factorization.

102203018938897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 102203018938897 in words is "one hundred two trillion, two hundred three billion, eighteen million, nine hundred thirty-eight thousand, eight hundred ninety-seven".