99011101099987 has 2 divisors, whose sum is σ = 99011101099988. Its totient is φ = 99011101099986.

The previous prime is 99011101099979. The next prime is 99011101100003. The reversal of 99011101099987 is 78999010111099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99011101099987 - 2³ = 99011101099979 is a prime.

It is not a weakly prime, because it can be changed into another prime (99011101099927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49505550549993 + 49505550549994.

It is an arithmetic number, because the mean of its divisors is an integer number (49505550549994).

Almost surely, 2^{99011101099987} is an apocalyptic number.

99011101099987 is a deficient number, since it is larger than the sum of its proper divisors (1).

99011101099987 is an equidigital number, since it uses as much as digits as its factorization.

99011101099987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 64.

The spelling of 99011101099987 in words is "ninety-nine trillion, eleven billion, one hundred one million, ninety-nine thousand, nine hundred eighty-seven".