20222201112221 has 8 divisors (see below), whose sum is σ = 20367900168000. Its totient is φ = 20076505136640.

The previous prime is 20222201112167. The next prime is 20222201112229. The reversal of 20222201112221 is 12221110222202.

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 20222201112221 - 2²² = 20222196917917 is a prime.

It is a super-2 number, since 2×20222201112221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

20222201112221 is a modest number, since divided by 1112221 gives 202222 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20222201112193 and 20222201112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222201112229) 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, 13335005 + ... + 14773853.

It is an arithmetic number, because the mean of its divisors is an integer number (2545987521000).

Almost surely, 2^{20222201112221} is an apocalyptic number.

It is an amenable number.

20222201112221 is a deficient number, since it is larger than the sum of its proper divisors (145699055779).

20222201112221 is a wasteful number, since it uses less digits than its factorization.

20222201112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540099.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20222201112221 its reverse (12221110222202), we get a palindrome (32443311334423).

The spelling of 20222201112221 in words is "twenty trillion, two hundred twenty-two billion, two hundred one million, one hundred twelve thousand, two hundred twenty-one".