1111221033213 has 8 divisors (see below), whose sum is σ = 1481650249248. Its totient is φ = 740802919664.

The previous prime is 1111221033199. The next prime is 1111221033253. The reversal of 1111221033213 is 3123301221111.

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 1111221033213 - 2⁴⁰ = 11709405437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111221033213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111221033253) 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, 2539206 + ... + 2944487.

It is an arithmetic number, because the mean of its divisors is an integer number (185206281156).

Almost surely, 2^{1111221033213} is an apocalyptic number.

It is an amenable number.

1111221033213 is a deficient number, since it is larger than the sum of its proper divisors (370429216035).

1111221033213 is an equidigital number, since it uses as much as digits as its factorization.

1111221033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551243.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1111221033213 its reverse (3123301221111), we get a palindrome (4234522254324).

The spelling of 1111221033213 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, thirty-three thousand, two hundred thirteen".