100022009987 has 2 divisors, whose sum is σ = 100022009988. Its totient is φ = 100022009986.

The previous prime is 100022009957. The next prime is 100022010013. The reversal of 100022009987 is 789900220001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100022009987 - 2¹² = 100022005891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100022009987.

It is not a weakly prime, because it can be changed into another prime (100022009957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011004993 + 50011004994.

It is an arithmetic number, because the mean of its divisors is an integer number (50011004994).

Almost surely, 2^100022009987 is an apocalyptic number.

100022009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022009987 is an equidigital number, since it uses as much as digits as its factorization.

100022009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

Adding to 100022009987 its reverse (789900220001), we get a palindrome (889922229988).

The spelling of 100022009987 in words is "one hundred billion, twenty-two million, nine thousand, nine hundred eighty-seven".