2221200211999 has 4 divisors (see below), whose sum is σ = 2221646868936. Its totient is φ = 2220753555064.

The previous prime is 2221200211991. The next prime is 2221200212041. The reversal of 2221200211999 is 9991120021222.

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 2221200211999 - 2³ = 2221200211991 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 (2221200211991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223321009 + ... + 223330954.

It is an arithmetic number, because the mean of its divisors is an integer number (555411717234).

Almost surely, 2^{2221200211999} is an apocalyptic number.

2221200211999 is a deficient number, since it is larger than the sum of its proper divisors (446656937).

2221200211999 is an equidigital number, since it uses as much as digits as its factorization.

2221200211999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446656936.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 2221200211999 in words is "two trillion, two hundred twenty-one billion, two hundred million, two hundred eleven thousand, nine hundred ninety-nine".