99933111 has 12 divisors (see below), whose sum is σ = 144565720. Its totient is φ = 66521520.

The previous prime is 99933107. The next prime is 99933133. The reversal of 99933111 is 11133999.

It is not a de Polignac number, because 99933111 - 2² = 99933107 is a prime.

It is a super-4 number, since 4×99933111⁴ (a number of 33 digits) contains 4444 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99933151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1816 + ... + 14253.

Almost surely, 2^99933111 is an apocalyptic number.

99933111 is a deficient number, since it is larger than the sum of its proper divisors (44632609).

99933111 is a wasteful number, since it uses less digits than its factorization.

99933111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16766 (or 16763 counting only the distinct ones).

The product of its digits is 6561, while the sum is 36.

The square root of 99933111 is about 9996.6549905456. The cubic root of 99933111 is about 464.0553698663.

The spelling of 99933111 in words is "ninety-nine million, nine hundred thirty-three thousand, one hundred eleven".