1113322111211 has 4 divisors (see below), whose sum is σ = 1131573293424. Its totient is φ = 1095070929000.

The previous prime is 1113322111199. The next prime is 1113322111217. The reversal of 1113322111211 is 1121112233111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113322111211 - 2⁶ = 1113322111147 is a prime.

It is a super-2 number, since 2×1113322111211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113322111217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9125591015 + ... + 9125591136.

It is an arithmetic number, because the mean of its divisors is an integer number (282893323356).

Almost surely, 2^{1113322111211} is an apocalyptic number.

1113322111211 is a deficient number, since it is larger than the sum of its proper divisors (18251182213).

1113322111211 is an equidigital number, since it uses as much as digits as its factorization.

1113322111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18251182212.

The product of its digits is 72, while the sum is 20.

Adding to 1113322111211 its reverse (1121112233111), we get a palindrome (2234434344322).

The spelling of 1113322111211 in words is "one trillion, one hundred thirteen billion, three hundred twenty-two million, one hundred eleven thousand, two hundred eleven".