99910123110011 has 4 divisors (see below), whose sum is σ = 102035870410272. Its totient is φ = 97784375809752.

The previous prime is 99910123109989. The next prime is 99910123110019. The reversal of 99910123110011 is 11001132101999.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99910123110011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99910123110019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062873650060 + ... + 1062873650153.

It is an arithmetic number, because the mean of its divisors is an integer number (25508967602568).

Almost surely, 2^{99910123110011} is an apocalyptic number.

99910123110011 is a deficient number, since it is larger than the sum of its proper divisors (2125747300261).

99910123110011 is a wasteful number, since it uses less digits than its factorization.

99910123110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125747300260.

The product of its (nonzero) digits is 4374, while the sum is 38.

The spelling of 99910123110011 in words is "ninety-nine trillion, nine hundred ten billion, one hundred twenty-three million, one hundred ten thousand, eleven".