22121310013 has 8 divisors (see below), whose sum is σ = 24163011360. Its totient is φ = 20084720880.

The previous prime is 22121310011. The next prime is 22121310041. The reversal of 22121310013 is 31001312122.

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

It is a cyclic number.

It is not a de Polignac number, because 22121310013 - 2¹ = 22121310011 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 (22121310011) 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, 1268998 + ... + 1286311.

It is an arithmetic number, because the mean of its divisors is an integer number (3020376420).

Almost surely, 2^22121310013 is an apocalyptic number.

It is an amenable number.

22121310013 is a deficient number, since it is larger than the sum of its proper divisors (2041701347).

22121310013 is a wasteful number, since it uses less digits than its factorization.

22121310013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556107.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22121310013 its reverse (31001312122), we get a palindrome (53122622135).

The spelling of 22121310013 in words is "twenty-two billion, one hundred twenty-one million, three hundred ten thousand, thirteen".