13330221111 has 24 divisors (see below), whose sum is σ = 20079521280. Its totient is φ = 8837138232.

The previous prime is 13330221083. The next prime is 13330221127. The reversal of 13330221111 is 11112203331.

13330221111 is a `hidden beast` number, since 1 + 3 + 330 + 221 + 111 = 666.

It is not a de Polignac number, because 13330221111 - 2¹⁰ = 13330220087 is a prime.

It is a super-4 number, since 4×13330221111⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330221131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109735 + ... + 196728.

It is an arithmetic number, because the mean of its divisors is an integer number (836646720).

Almost surely, 2^13330221111 is an apocalyptic number.

13330221111 is a deficient number, since it is larger than the sum of its proper divisors (6749300169).

13330221111 is an equidigital number, since it uses as much as digits as its factorization.

13330221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306657 (or 306645 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13330221111 its reverse (11112203331), we get a palindrome (24442424442).

The spelling of 13330221111 in words is "thirteen billion, three hundred thirty million, two hundred twenty-one thousand, one hundred eleven".