12220111199999 has 4 divisors (see below), whose sum is σ = 12220122015336. Its totient is φ = 12220100384664.

The previous prime is 12220111199977. The next prime is 12220111200023. The reversal of 12220111199999 is 99999111102221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12220111199999 - 2⁸ = 12220111199743 is a prime.

It is a super-2 number, since 2×12220111199999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220111399999) 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, 3484964 + ... + 6048569.

It is an arithmetic number, because the mean of its divisors is an integer number (3055030503834).

Almost surely, 2^{12220111199999} is an apocalyptic number.

12220111199999 is a deficient number, since it is larger than the sum of its proper divisors (10815337).

12220111199999 is an equidigital number, since it uses as much as digits as its factorization.

12220111199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815336.

The product of its (nonzero) digits is 472392, while the sum is 56.

The spelling of 12220111199999 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, one hundred ninety-nine thousand, nine hundred ninety-nine".