1111332213 has 6 divisors (see below), whose sum is σ = 1605257654. Its totient is φ = 740888136.

The previous prime is 1111332181. The next prime is 1111332241. The reversal of 1111332213 is 3122331111.

It can be written as a sum of positive squares in only one way, i.e., 824436369 + 286895844 = 28713^2 + 16938^2 .

It is not a de Polignac number, because 1111332213 - 2⁵ = 1111332181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111332253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61740670 + ... + 61740687.

Almost surely, 2^1111332213 is an apocalyptic number.

It is an amenable number.

1111332213 is a deficient number, since it is larger than the sum of its proper divisors (493925441).

1111332213 is a wasteful number, since it uses less digits than its factorization.

1111332213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123481363 (or 123481360 counting only the distinct ones).

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

The square root of 1111332213 is about 33336.6496966927. The cubic root of 1111332213 is about 1035.8128655924.

Adding to 1111332213 its reverse (3122331111), we get a palindrome (4233663324).

The spelling of 1111332213 in words is "one billion, one hundred eleven million, three hundred thirty-two thousand, two hundred thirteen".