1122211113 has 4 divisors (see below), whose sum is σ = 1496281488. Its totient is φ = 748140740.

The previous prime is 1122211087. The next prime is 1122211121. The reversal of 1122211113 is 3111122211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1122211113 - 2⁵ = 1122211081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122211092 and 1122211101.

It is not an unprimeable number, because it can be changed into a prime (1122211513) 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, 187035183 + ... + 187035188.

It is an arithmetic number, because the mean of its divisors is an integer number (374070372).

Almost surely, 2^1122211113 is an apocalyptic number.

It is an amenable number.

1122211113 is a deficient number, since it is larger than the sum of its proper divisors (374070375).

1122211113 is an equidigital number, since it uses as much as digits as its factorization.

1122211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374070374.

The product of its digits is 24, while the sum is 15.

The square root of 1122211113 is about 33499.4195919870. The cubic root of 1122211113 is about 1039.1817753742.

Adding to 1122211113 its reverse (3111122211), we get a palindrome (4233333324).

The spelling of 1122211113 in words is "one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred thirteen".