2112021110099 has 4 divisors (see below), whose sum is σ = 2180150823360. Its totient is φ = 2043891396840.

The previous prime is 2112021110027. The next prime is 2112021110141. The reversal of 2112021110099 is 9900111202112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112021110099 - 2⁸ = 2112021109843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112021110299) 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, 34064856584 + ... + 34064856645.

It is an arithmetic number, because the mean of its divisors is an integer number (545037705840).

Almost surely, 2^{2112021110099} is an apocalyptic number.

2112021110099 is a deficient number, since it is larger than the sum of its proper divisors (68129713261).

2112021110099 is an equidigital number, since it uses as much as digits as its factorization.

2112021110099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68129713260.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 2112021110099 in words is "two trillion, one hundred twelve billion, twenty-one million, one hundred ten thousand, ninety-nine".