22121113313 has 8 divisors (see below), whose sum is σ = 23851695168. Its totient is φ = 20394668304.

The previous prime is 22121113307. The next prime is 22121113321. The reversal of 22121113313 is 31331112122.

It is a happy number.

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 22121113313 - 2⁸ = 22121113057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121113363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023095 + ... + 1044492.

It is an arithmetic number, because the mean of its divisors is an integer number (2981461896).

Almost surely, 2^22121113313 is an apocalyptic number.

It is an amenable number.

22121113313 is a deficient number, since it is larger than the sum of its proper divisors (1730581855).

22121113313 is a wasteful number, since it uses less digits than its factorization.

22121113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068423.

The product of its digits is 216, while the sum is 20.

Adding to 22121113313 its reverse (31331112122), we get a palindrome (53452225435).

The spelling of 22121113313 in words is "twenty-two billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred thirteen".