11132211213 has 32 divisors (see below), whose sum is σ = 16969927680. Its totient is φ = 7209259200.

The previous prime is 11132211191. The next prime is 11132211221. The reversal of 11132211213 is 31211223111.

It is not a de Polignac number, because 11132211213 - 2¹⁶ = 11132145677 is a prime.

It is a super-2 number, since 2×11132211213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132211113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106020 + ... + 183042.

It is an arithmetic number, because the mean of its divisors is an integer number (530310240).

Almost surely, 2^11132211213 is an apocalyptic number.

It is an amenable number.

11132211213 is a deficient number, since it is larger than the sum of its proper divisors (5837716467).

11132211213 is a wasteful number, since it uses less digits than its factorization.

11132211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77186 (or 77180 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 11132211213 its reverse (31211223111), we get a palindrome (42343434324).

The spelling of 11132211213 in words is "eleven billion, one hundred thirty-two million, two hundred eleven thousand, two hundred thirteen".