20001222221113 has 8 divisors (see below), whose sum is σ = 22858756975232. Its totient is φ = 17143741790496.

The previous prime is 20001222221063. The next prime is 20001222221119. The reversal of 20001222221113 is 31112222210002.

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 20001222221113 - 2¹⁷ = 20001222090041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001222221119) 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, 12788820 + ... + 14267317.

It is an arithmetic number, because the mean of its divisors is an integer number (2857344621904).

Almost surely, 2^{20001222221113} is an apocalyptic number.

It is an amenable number.

20001222221113 is a deficient number, since it is larger than the sum of its proper divisors (2857534754119).

20001222221113 is a wasteful number, since it uses less digits than its factorization.

20001222221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27161751.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20001222221113 its reverse (31112222210002), we get a palindrome (51113444431115).

The spelling of 20001222221113 in words is "twenty trillion, one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred thirteen".