22120461045221 has 8 divisors (see below), whose sum is σ = 27578756627904. Its totient is φ = 17236722892320.

The previous prime is 22120461045187. The next prime is 22120461045251. The reversal of 22120461045221 is 12254016402122.

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 22120461045221 - 2¹⁴ = 22120461028837 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 (22120461045251) 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, 143639357360 + ... + 143639357513.

It is an arithmetic number, because the mean of its divisors is an integer number (3447344578488).

Almost surely, 2^{22120461045221} is an apocalyptic number.

It is an amenable number.

22120461045221 is a deficient number, since it is larger than the sum of its proper divisors (5458295582683).

22120461045221 is a wasteful number, since it uses less digits than its factorization.

22120461045221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287278714891.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 22120461045221 its reverse (12254016402122), we get a palindrome (34374477447343).

The spelling of 22120461045221 in words is "twenty-two trillion, one hundred twenty billion, four hundred sixty-one million, forty-five thousand, two hundred twenty-one".