22133121313 has 4 divisors (see below), whose sum is σ = 22444855488. Its totient is φ = 21821387140.

The previous prime is 22133121301. The next prime is 22133121317. The reversal of 22133121313 is 31312133122.

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 a de Polignac number, because none of the positive numbers 2^k-22133121313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22133121317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155866981 + ... + 155867122.

It is an arithmetic number, because the mean of its divisors is an integer number (5611213872).

Almost surely, 2^22133121313 is an apocalyptic number.

It is an amenable number.

22133121313 is a deficient number, since it is larger than the sum of its proper divisors (311734175).

22133121313 is an equidigital number, since it uses as much as digits as its factorization.

22133121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311734174.

The product of its digits is 648, while the sum is 22.

Adding to 22133121313 its reverse (31312133122), we get a palindrome (53445254435).

The spelling of 22133121313 in words is "twenty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred thirteen".