111221200219 has 4 divisors (see below), whose sum is σ = 111280646880. Its totient is φ = 111161753560.

The previous prime is 111221200199. The next prime is 111221200247. The reversal of 111221200219 is 912002122111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111221200219 is a prime.

It is a super-2 number, since 2×111221200219² (a number of 23 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 111221200219.

It is not an unprimeable number, because it can be changed into a prime (111221260219) 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, 29720524 + ... + 29724265.

It is an arithmetic number, because the mean of its divisors is an integer number (27820161720).

Almost surely, 2^111221200219 is an apocalyptic number.

111221200219 is a deficient number, since it is larger than the sum of its proper divisors (59446661).

111221200219 is an equidigital number, since it uses as much as digits as its factorization.

111221200219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59446660.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 111221200219 in words is "one hundred eleven billion, two hundred twenty-one million, two hundred thousand, two hundred nineteen".