11213201133 has 6 divisors (see below), whose sum is σ = 16196846094. Its totient is φ = 7475467416.

The previous prime is 11213201119. The next prime is 11213201159. The reversal of 11213201133 is 33110231211.

It can be written as a sum of positive squares in only one way, i.e., 8273175849 + 2940025284 = 90957^2 + 54222^2 .

It is not a de Polignac number, because 11213201133 - 2⁸ = 11213200877 is a prime.

It is a super-2 number, since 2×11213201133² (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 (11213201183) 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, 622955610 + ... + 622955627.

It is an arithmetic number, because the mean of its divisors is an integer number (2699474349).

Almost surely, 2^11213201133 is an apocalyptic number.

It is an amenable number.

11213201133 is a deficient number, since it is larger than the sum of its proper divisors (4983644961).

11213201133 is a wasteful number, since it uses less digits than its factorization.

11213201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245911243 (or 1245911240 counting only the distinct ones).

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

Adding to 11213201133 its reverse (33110231211), we get a palindrome (44323432344).

The spelling of 11213201133 in words is "eleven billion, two hundred thirteen million, two hundred one thousand, one hundred thirty-three".