10101010018987 has 2 divisors, whose sum is σ = 10101010018988. Its totient is φ = 10101010018986.

The previous prime is 10101010018951. The next prime is 10101010018993. The reversal of 10101010018987 is 78981001010101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101010018987 - 2¹¹ = 10101010016939 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101016018987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050505009493 + 5050505009494.

It is an arithmetic number, because the mean of its divisors is an integer number (5050505009494).

Almost surely, 2^{10101010018987} is an apocalyptic number.

10101010018987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101010018987 is an equidigital number, since it uses as much as digits as its factorization.

10101010018987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 37.

The spelling of 10101010018987 in words is "ten trillion, one hundred one billion, ten million, eighteen thousand, nine hundred eighty-seven".