1110221219 has 4 divisors (see below), whose sum is σ = 1113018144. Its totient is φ = 1107424296.

The previous prime is 1110221191. The next prime is 1110221237. The reversal of 1110221219 is 9121220111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9121220111 = 47 ⋅194068513.

It is a cyclic number.

It is not a de Polignac number, because 1110221219 - 2⁸ = 1110220963 is a prime.

It is a super-2 number, since 2×1110221219² = 2465182310235691922, which 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 1110221219.

It is not an unprimeable number, because it can be changed into a prime (1110221269) 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, 1397867 + ... + 1398660.

It is an arithmetic number, because the mean of its divisors is an integer number (278254536).

Almost surely, 2^1110221219 is an apocalyptic number.

1110221219 is a deficient number, since it is larger than the sum of its proper divisors (2796925).

1110221219 is an equidigital number, since it uses as much as digits as its factorization.

1110221219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796924.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1110221219 is about 33319.9822779065. The cubic root of 1110221219 is about 1035.4675846297.

The spelling of 1110221219 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, two hundred nineteen".