11212133301 has 54 divisors (see below), whose sum is σ = 18158658882. Its totient is φ = 6664239360.

The previous prime is 11212133299. The next prime is 11212133327. The reversal of 11212133301 is 10333121211.

11212133301 is a `hidden beast` number, since 1 + 121 + 213 + 330 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3203673201 + 8008460100 = 56601^2 + 89490^2 .

It is not a de Polignac number, because 11212133301 - 2¹ = 11212133299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212133501) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 932991 + ... + 944931.

Almost surely, 2^11212133301 is an apocalyptic number.

It is an amenable number.

11212133301 is a deficient number, since it is larger than the sum of its proper divisors (6946525581).

11212133301 is a wasteful number, since it uses less digits than its factorization.

11212133301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12019 (or 11980 counting only the distinct ones).

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

Adding to 11212133301 its reverse (10333121211), we get a palindrome (21545254512).

The spelling of 11212133301 in words is "eleven billion, two hundred twelve million, one hundred thirty-three thousand, three hundred one".