102680222987 has 2 divisors, whose sum is σ = 102680222988. Its totient is φ = 102680222986.

The previous prime is 102680222977. The next prime is 102680222999. The reversal of 102680222987 is 789222086201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102680222987 is a prime.

It is not a weakly prime, because it can be changed into another prime (102680222977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51340111493 + 51340111494.

It is an arithmetic number, because the mean of its divisors is an integer number (51340111494).

Almost surely, 2^102680222987 is an apocalyptic number.

102680222987 is a deficient number, since it is larger than the sum of its proper divisors (1).

102680222987 is an equidigital number, since it uses as much as digits as its factorization.

102680222987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 102680222987 in words is "one hundred two billion, six hundred eighty million, two hundred twenty-two thousand, nine hundred eighty-seven".