11221031013 has 8 divisors (see below), whose sum is σ = 14962012800. Its totient is φ = 7480368288.

The previous prime is 11221031011. The next prime is 11221031071. The reversal of 11221031013 is 31013012211.

It is a happy number.

11221031013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11221031013 - 2¹ = 11221031011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221030983 and 11221031001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221031011) 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 7 ways as a sum of consecutive naturals, for example, 20193 + ... + 151161.

It is an arithmetic number, because the mean of its divisors is an integer number (1870251600).

Almost surely, 2^11221031013 is an apocalyptic number.

It is an amenable number.

11221031013 is a deficient number, since it is larger than the sum of its proper divisors (3740981787).

11221031013 is a wasteful number, since it uses less digits than its factorization.

11221031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159531.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11221031013 its reverse (31013012211), we get a palindrome (42234043224).

The spelling of 11221031013 in words is "eleven billion, two hundred twenty-one million, thirty-one thousand, thirteen".