22112210000221 has 8 divisors (see below), whose sum is σ = 24128814567744. Its totient is φ = 20096672709120.

The previous prime is 22112210000197. The next prime is 22112210000227. The reversal of 22112210000221 is 12200001221122.

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 22112210000221 - 2¹⁹ = 22112209475933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112210000195 and 22112210000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112210000227) 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, 266775780 + ... + 266858653.

It is an arithmetic number, because the mean of its divisors is an integer number (3016101820968).

Almost surely, 2^{22112210000221} is an apocalyptic number.

It is an amenable number.

22112210000221 is a deficient number, since it is larger than the sum of its proper divisors (2016604567523).

22112210000221 is a wasteful number, since it uses less digits than its factorization.

22112210000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533638211.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112210000221 its reverse (12200001221122), we get a palindrome (34312211221343).

The spelling of 22112210000221 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-one", and thus it is an aban number.