99109012101 has 32 divisors (see below), whose sum is σ = 145685606400. Its totient is φ = 59433017280.

The previous prime is 99109012097. The next prime is 99109012127. The reversal of 99109012101 is 10121090199.

It is not a de Polignac number, because 99109012101 - 2² = 99109012097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99109012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198240 + ... + 1278278.

It is an arithmetic number, because the mean of its divisors is an integer number (4552675200).

Almost surely, 2^99109012101 is an apocalyptic number.

It is an amenable number.

99109012101 is a deficient number, since it is larger than the sum of its proper divisors (46576594299).

99109012101 is a wasteful number, since it uses less digits than its factorization.

99109012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80449.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 99109012101 in words is "ninety-nine billion, one hundred nine million, twelve thousand, one hundred one".