99110121 has 8 divisors (see below), whose sum is σ = 144160224. Its totient is φ = 60066720.

The previous prime is 99110117. The next prime is 99110149. The reversal of 99110121 is 12101199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99110121 - 2² = 99110117 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 99110091 and 99110100.

It is not an unprimeable number, because it can be changed into a prime (99110101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501636 + ... + 1501701.

It is an arithmetic number, because the mean of its divisors is an integer number (18020028).

Almost surely, 2^99110121 is an apocalyptic number.

It is an amenable number.

99110121 is a deficient number, since it is larger than the sum of its proper divisors (45050103).

99110121 is a wasteful number, since it uses less digits than its factorization.

99110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003351.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 99110121 is about 9955.4066215298. The cubic root of 99110121 is about 462.7779615706. Note that the first 3 decimals are identical.

The spelling of 99110121 in words is "ninety-nine million, one hundred ten thousand, one hundred twenty-one".