99119901099 has 4 divisors (see below), whose sum is σ = 132159868136. Its totient is φ = 66079934064.

The previous prime is 99119901073. The next prime is 99119901121. The reversal of 99119901099 is 99010991199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99010991199 = 3 ⋅33003663733.

It is not a de Polignac number, because 99119901099 - 2¹² = 99119897003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99119901019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16519983514 + ... + 16519983519.

It is an arithmetic number, because the mean of its divisors is an integer number (33039967034).

Almost surely, 2^99119901099 is an apocalyptic number.

99119901099 is a deficient number, since it is larger than the sum of its proper divisors (33039967037).

99119901099 is a wasteful number, since it uses less digits than its factorization.

99119901099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33039967036.

The product of its (nonzero) digits is 531441, while the sum is 57.

It can be divided in two parts, 9911 and 9901099, that multiplied together give a palindrome (98129792189).

The spelling of 99119901099 in words is "ninety-nine billion, one hundred nineteen million, nine hundred one thousand, ninety-nine".