11213131201 has 32 divisors (see below), whose sum is σ = 12261997728. Its totient is φ = 10215014400.

The previous prime is 11213131187. The next prime is 11213131217. The reversal of 11213131201 is 10213131211.

It is a happy number.

11213131201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 2556801 + 11210574400 = 1599^2 + 105880^2 .

It is not a de Polignac number, because 11213131201 - 2⁵ = 11213131169 is a prime.

It is a super-2 number, since 2×11213131201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11213131901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17171391 + ... + 17172043.

It is an arithmetic number, because the mean of its divisors is an integer number (383187429).

Almost surely, 2^11213131201 is an apocalyptic number.

It is an amenable number.

11213131201 is a deficient number, since it is larger than the sum of its proper divisors (1048866527).

11213131201 is a wasteful number, since it uses less digits than its factorization.

11213131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11213131201 its reverse (10213131211), we get a palindrome (21426262412).

The spelling of 11213131201 in words is "eleven billion, two hundred thirteen million, one hundred thirty-one thousand, two hundred one".