99001100101100 has 18 divisors (see below), whose sum is σ = 214832387219604. Its totient is φ = 39600440040400.

The previous prime is 99001100101009. The next prime is 99001100101103. The reversal of 99001100101100 is 110100110099.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99001100101103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495005500406 + ... + 495005500605.

Almost surely, 2^{99001100101100} is an apocalyptic number.

It is an amenable number.

99001100101100 is an abundant number, since it is smaller than the sum of its proper divisors (115831287118504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99001100101100 is a wasteful number, since it uses less digits than its factorization.

99001100101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990011001025 (or 990011001018 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 23.

Adding to 99001100101100 its reverse (110100110099), we get a palindrome (99111200211199).

The spelling of 99001100101100 in words is "ninety-nine trillion, one billion, one hundred million, one hundred one thousand, one hundred".