101010011009987 has 2 divisors, whose sum is σ = 101010011009988. Its totient is φ = 101010011009986.

The previous prime is 101010011009977. The next prime is 101010011009989. The reversal of 101010011009987 is 789900110010101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101010011009987 - 2⁸ = 101010011009731 is a prime.

Together with 101010011009989, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101010011009987.

It is not a weakly prime, because it can be changed into another prime (101010011009989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505005504993 + 50505005504994.

It is an arithmetic number, because the mean of its divisors is an integer number (50505005504994).

Almost surely, 2^{101010011009987} is an apocalyptic number.

101010011009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010011009987 is an equidigital number, since it uses as much as digits as its factorization.

101010011009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 38.

The spelling of 101010011009987 in words is "one hundred one trillion, ten billion, eleven million, nine thousand, nine hundred eighty-seven".