1111221201219 has 8 divisors (see below), whose sum is σ = 1481651573952. Its totient is φ = 740802481320.

The previous prime is 1111221201203. The next prime is 1111221201247. The reversal of 1111221201219 is 9121021221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111221201219 - 2⁴ = 1111221201203 is a prime.

It is a super-2 number, since 2×1111221201219² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111221205219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688217 + ... + 3073914.

It is an arithmetic number, because the mean of its divisors is an integer number (185206446744).

Almost surely, 2^{1111221201219} is an apocalyptic number.

1111221201219 is a deficient number, since it is larger than the sum of its proper divisors (370430372733).

1111221201219 is an equidigital number, since it uses as much as digits as its factorization.

1111221201219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826417.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 1111221201219 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, two hundred one thousand, two hundred nineteen".