22121131303 has 4 divisors (see below), whose sum is σ = 22248999288. Its totient is φ = 21993263320.

The previous prime is 22121131301. The next prime is 22121131321. The reversal of 22121131303 is 30313112122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30313112122 = 2 ⋅15156556061.

It is a cyclic number.

It is not a de Polignac number, because 22121131303 - 2¹ = 22121131301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121131301) 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 3 ways as a sum of consecutive naturals, for example, 63933733 + ... + 63934078.

It is an arithmetic number, because the mean of its divisors is an integer number (5562249822).

Almost surely, 2^22121131303 is an apocalyptic number.

22121131303 is a deficient number, since it is larger than the sum of its proper divisors (127867985).

22121131303 is a wasteful number, since it uses less digits than its factorization.

22121131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127867984.

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

Adding to 22121131303 its reverse (30313112122), we get a palindrome (52434243425).

The spelling of 22121131303 in words is "twenty-two billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred three".