22031113321 has 4 divisors (see below), whose sum is σ = 25178415232. Its totient is φ = 18883811412.

The previous prime is 22031113319. The next prime is 22031113333. The reversal of 22031113321 is 12331113022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22031113321 - 2¹ = 22031113319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031111321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573650945 + ... + 1573650958.

It is an arithmetic number, because the mean of its divisors is an integer number (6294603808).

Almost surely, 2^22031113321 is an apocalyptic number.

It is an amenable number.

22031113321 is a deficient number, since it is larger than the sum of its proper divisors (3147301911).

22031113321 is an equidigital number, since it uses as much as digits as its factorization.

22031113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147301910.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22031113321 its reverse (12331113022), we get a palindrome (34362226343).

The spelling of 22031113321 in words is "twenty-two billion, thirty-one million, one hundred thirteen thousand, three hundred twenty-one".