2222201211999 has 4 divisors (see below), whose sum is σ = 2962934949336. Its totient is φ = 1481467474664.

The previous prime is 2222201211943. The next prime is 2222201212031. The reversal of 2222201211999 is 9991121022222.

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 2222201211999 - 2¹⁷ = 2222201080927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222201211999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222201212999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370366868664 + ... + 370366868669.

It is an arithmetic number, because the mean of its divisors is an integer number (740733737334).

Almost surely, 2^{2222201211999} is an apocalyptic number.

2222201211999 is a deficient number, since it is larger than the sum of its proper divisors (740733737337).

2222201211999 is an equidigital number, since it uses as much as digits as its factorization.

2222201211999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740733737336.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 2222201211999 in words is "two trillion, two hundred twenty-two billion, two hundred one million, two hundred eleven thousand, nine hundred ninety-nine".