111221001219 has 8 divisors (see below), whose sum is σ = 149960900880. Its totient is φ = 73314217856.

The previous prime is 111221001211. The next prime is 111221001239. The reversal of 111221001219 is 912100122111.

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 111221001219 - 2³ = 111221001211 is a prime.

It is a super-2 number, since 2×111221001219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111221001195 and 111221001204.

It is not an unprimeable number, because it can be changed into a prime (111221001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208278762 + ... + 208279295.

It is an arithmetic number, because the mean of its divisors is an integer number (18745112610).

Almost surely, 2^111221001219 is an apocalyptic number.

111221001219 is a deficient number, since it is larger than the sum of its proper divisors (38739899661).

111221001219 is an equidigital number, since it uses as much as digits as its factorization.

111221001219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416558149.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 111221001219 in words is "one hundred eleven billion, two hundred twenty-one million, one thousand, two hundred nineteen".