11213133011 has 8 divisors (see below), whose sum is σ = 11604159120. Its totient is φ = 10822398048.

The previous prime is 11213132999. The next prime is 11213133017. The reversal of 11213133011 is 11033131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11213133011 is a prime.

It is a super-2 number, since 2×11213133011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213133017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7085 + ... + 149921.

It is an arithmetic number, because the mean of its divisors is an integer number (1450519890).

Almost surely, 2^11213133011 is an apocalyptic number.

11213133011 is a deficient number, since it is larger than the sum of its proper divisors (391026109).

11213133011 is a wasteful number, since it uses less digits than its factorization.

11213133011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145573.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11213133011 its reverse (11033131211), we get a palindrome (22246264222).

The spelling of 11213133011 in words is "eleven billion, two hundred thirteen million, one hundred thirty-three thousand, eleven".