12221111119 has 6 divisors (see below), whose sum is σ = 14216394624. Its totient is φ = 10475238060.

The previous prime is 12221111107. The next prime is 12221111173. The reversal of 12221111119 is 91111112221.

It is a happy number.

It is not a de Polignac number, because 12221111119 - 2²¹ = 12219013967 is a prime.

It is a super-2 number, since 2×12221111119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221111119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221111179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124705167 + ... + 124705264.

It is an arithmetic number, because the mean of its divisors is an integer number (2369399104).

Almost surely, 2^12221111119 is an apocalyptic number.

12221111119 is a deficient number, since it is larger than the sum of its proper divisors (1995283505).

12221111119 is an equidigital number, since it uses as much as digits as its factorization.

12221111119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249410445 (or 249410438 counting only the distinct ones).

The product of its digits is 72, while the sum is 22.

The spelling of 12221111119 in words is "twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred nineteen".