99000111011 has 2 divisors, whose sum is σ = 99000111012. Its totient is φ = 99000111010.

The previous prime is 99000110969. The next prime is 99000111013. The reversal of 99000111011 is 11011100099.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11011100099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99000111011 - 2⁶ = 99000110947 is a prime.

Together with 99000111013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99000111013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500055505 + 49500055506.

It is an arithmetic number, because the mean of its divisors is an integer number (49500055506).

Almost surely, 2^99000111011 is an apocalyptic number.

99000111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

99000111011 is an equidigital number, since it uses as much as digits as its factorization.

99000111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 99000111011 in words is "ninety-nine billion, one hundred eleven thousand, eleven".