99041243011 has 2 divisors, whose sum is σ = 99041243012. Its totient is φ = 99041243010.

The previous prime is 99041243009. The next prime is 99041243027. The reversal of 99041243011 is 11034214099.

It is a weak prime.

It is an emirp because it is prime and its reverse (11034214099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99041243011 - 2¹ = 99041243009 is a prime.

It is a super-2 number, since 2×99041243011² (a number of 23 digits) contains 22 as substring.

Together with 99041243009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99041243311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49520621505 + 49520621506.

It is an arithmetic number, because the mean of its divisors is an integer number (49520621506).

Almost surely, 2^99041243011 is an apocalyptic number.

99041243011 is a deficient number, since it is larger than the sum of its proper divisors (1).

99041243011 is an equidigital number, since it uses as much as digits as its factorization.

99041243011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 99041243011 in words is "ninety-nine billion, forty-one million, two hundred forty-three thousand, eleven".