12222211099 has 8 divisors (see below), whose sum is σ = 13969122048. Its totient is φ = 10475520360.

The previous prime is 12222211097. The next prime is 12222211123. The reversal of 12222211099 is 99011222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12222211099 - 2¹ = 12222211097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222211099.

It is not an unprimeable number, because it can be changed into a prime (12222211097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89034 + ... + 179920.

It is an arithmetic number, because the mean of its divisors is an integer number (1746140256).

Almost surely, 2^12222211099 is an apocalyptic number.

12222211099 is a deficient number, since it is larger than the sum of its proper divisors (1746910949).

12222211099 is an equidigital number, since it uses as much as digits as its factorization.

12222211099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110105.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 12222211099 in words is "twelve billion, two hundred twenty-two million, two hundred eleven thousand, ninety-nine".