12100221000099 has 24 divisors (see below), whose sum is σ = 18056147775120. Its totient is φ = 8008779021696.

The previous prime is 12100221000013. The next prime is 12100221000107. The reversal of 12100221000099 is 99000012200121.

It is not a de Polignac number, because 12100221000099 - 2⁸ = 12100220999843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12100221000299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11075982 + ... + 12119315.

It is an arithmetic number, because the mean of its divisors is an integer number (752339490630).

Almost surely, 2^{12100221000099} is an apocalyptic number.

12100221000099 is a deficient number, since it is larger than the sum of its proper divisors (5955926775021).

12100221000099 is an equidigital number, since it uses as much as digits as its factorization.

12100221000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23195584 (or 23195439 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 12100221000099 in words is "twelve trillion, one hundred billion, two hundred twenty-one million, ninety-nine", and thus it is an aban number.