101011102099987 has 2 divisors, whose sum is σ = 101011102099988. Its totient is φ = 101011102099986.

The previous prime is 101011102099933. The next prime is 101011102100011. The reversal of 101011102099987 is 789990201110101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101011102099987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101011102099987.

It is not a weakly prime, because it can be changed into another prime (101011102093987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505551049993 + 50505551049994.

It is an arithmetic number, because the mean of its divisors is an integer number (50505551049994).

Almost surely, 2^{101011102099987} is an apocalyptic number.

101011102099987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011102099987 is an equidigital number, since it uses as much as digits as its factorization.

101011102099987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 49.

The spelling of 101011102099987 in words is "one hundred one trillion, eleven billion, one hundred two million, ninety-nine thousand, nine hundred eighty-seven".