1113320221111 has 24 divisors (see below), whose sum is σ = 1297285646784. Its totient is φ = 952655256000.

The previous prime is 1113320221093. The next prime is 1113320221127. The reversal of 1113320221111 is 1111220233111.

It is a de Polignac number, because none of the positive numbers 2^k-1113320221111 is a prime.

It is a super-4 number, since 4×1113320221111⁴ (a number of 49 digits) contains 4444 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 (1113320221411) 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, 181526401 + ... + 181532533.

It is an arithmetic number, because the mean of its divisors is an integer number (54053568616).

Almost surely, 2^{1113320221111} is an apocalyptic number.

1113320221111 is a deficient number, since it is larger than the sum of its proper divisors (183965425673).

1113320221111 is an equidigital number, since it uses as much as digits as its factorization.

1113320221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831 (or 11824 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1113320221111 its reverse (1111220233111), we get a palindrome (2224540454222).

The spelling of 1113320221111 in words is "one trillion, one hundred thirteen billion, three hundred twenty million, two hundred twenty-one thousand, one hundred eleven".