102040202177 has 2 divisors, whose sum is σ = 102040202178. Its totient is φ = 102040202176.

The previous prime is 102040202071. The next prime is 102040202219. The reversal of 102040202177 is 771202040201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101656394896 + 383807281 = 318836^2 + 19591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102040202177 is a prime.

It is not a weakly prime, because it can be changed into another prime (102040202477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51020101088 + 51020101089.

It is an arithmetic number, because the mean of its divisors is an integer number (51020101089).

Almost surely, 2^102040202177 is an apocalyptic number.

It is an amenable number.

102040202177 is a deficient number, since it is larger than the sum of its proper divisors (1).

102040202177 is an equidigital number, since it uses as much as digits as its factorization.

102040202177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

Adding to 102040202177 its reverse (771202040201), we get a palindrome (873242242378).

The spelling of 102040202177 in words is "one hundred two billion, forty million, two hundred two thousand, one hundred seventy-seven".