1113221213333 has 4 divisors (see below), whose sum is σ = 1113224418348. Its totient is φ = 1113218008320.

The previous prime is 1113221213327. The next prime is 1113221213341. The reversal of 1113221213333 is 3333121223111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211667165329 + 901554048004 = 460073^2 + 949502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113221213333 - 2¹² = 1113221209237 is a prime.

It is a super-2 number, since 2×1113221213333² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113221213323) 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, 1007978 + ... + 1800683.

It is an arithmetic number, because the mean of its divisors is an integer number (278306104587).

Almost surely, 2^{1113221213333} is an apocalyptic number.

It is an amenable number.

1113221213333 is a deficient number, since it is larger than the sum of its proper divisors (3205015).

1113221213333 is an equidigital number, since it uses as much as digits as its factorization.

1113221213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205014.

The product of its digits is 1944, while the sum is 26.

Adding to 1113221213333 its reverse (3333121223111), we get a palindrome (4446342436444).

The spelling of 1113221213333 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-three".