1122221022213 has 8 divisors (see below), whose sum is σ = 1575047048800. Its totient is φ = 708771171888.

The previous prime is 1122221022191. The next prime is 1122221022217. The reversal of 1122221022213 is 3122201222211.

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

It is not a de Polignac number, because 1122221022213 - 2³⁷ = 984782068741 is a prime.

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 1122221022213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122221022217) 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, 9844043998 + ... + 9844044111.

It is an arithmetic number, because the mean of its divisors is an integer number (196880881100).

Almost surely, 2^{1122221022213} is an apocalyptic number.

It is an amenable number.

1122221022213 is a deficient number, since it is larger than the sum of its proper divisors (452826026587).

1122221022213 is a wasteful number, since it uses less digits than its factorization.

1122221022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19688088131.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1122221022213 its reverse (3122201222211), we get a palindrome (4244422244424).

The spelling of 1122221022213 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, two hundred thirteen".