11221133113 has 4 divisors (see below), whose sum is σ = 11222107380. Its totient is φ = 11220158848.

The previous prime is 11221133089. The next prime is 11221133171. The reversal of 11221133113 is 31133112211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31133112211 = 26083 ⋅1193617.

It can be written as a sum of positive squares in 2 ways, for example, as 10111710249 + 1109422864 = 100557^2 + 33308^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221133113 - 2¹³ = 11221124921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221133173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469648 + ... + 492961.

It is an arithmetic number, because the mean of its divisors is an integer number (2805526845).

Almost surely, 2^11221133113 is an apocalyptic number.

It is an amenable number.

11221133113 is a deficient number, since it is larger than the sum of its proper divisors (974267).

11221133113 is an equidigital number, since it uses as much as digits as its factorization.

11221133113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974266.

The product of its digits is 108, while the sum is 19.

Adding to 11221133113 its reverse (31133112211), we get a palindrome (42354245324).

The spelling of 11221133113 in words is "eleven billion, two hundred twenty-one million, one hundred thirty-three thousand, one hundred thirteen".