2122001111999 has 4 divisors (see below), whose sum is σ = 2214262029936. Its totient is φ = 2029740194064.

The previous prime is 2122001111987. The next prime is 2122001112019. The reversal of 2122001111999 is 9991111002212.

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 2122001111999 - 2⁴ = 2122001111983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122001111099) 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, 46130458934 + ... + 46130458979.

It is an arithmetic number, because the mean of its divisors is an integer number (553565507484).

Almost surely, 2^{2122001111999} is an apocalyptic number.

2122001111999 is a deficient number, since it is larger than the sum of its proper divisors (92260917937).

2122001111999 is an equidigital number, since it uses as much as digits as its factorization.

2122001111999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92260917936.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 2122001111999 in words is "two trillion, one hundred twenty-two billion, one million, one hundred eleven thousand, nine hundred ninety-nine".