33221300113 has 4 divisors (see below), whose sum is σ = 33225200100. Its totient is φ = 33217400128.

The previous prime is 33221300087. The next prime is 33221300143. The reversal of 33221300113 is 31100312233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21576084544 + 11645215569 = 146888^2 + 107913^2 .

It is a cyclic number.

It is not a de Polignac number, because 33221300113 - 2⁵ = 33221300081 is a prime.

It is a super-2 number, since 2×33221300113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33221300143) 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, 1937188 + ... + 1954261.

It is an arithmetic number, because the mean of its divisors is an integer number (8306300025).

Almost surely, 2^33221300113 is an apocalyptic number.

It is an amenable number.

33221300113 is a deficient number, since it is larger than the sum of its proper divisors (3899987).

33221300113 is an equidigital number, since it uses as much as digits as its factorization.

33221300113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899986.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33221300113 its reverse (31100312233), we get a palindrome (64321612346).

The spelling of 33221300113 in words is "thirty-three billion, two hundred twenty-one million, three hundred thousand, one hundred thirteen".