22002011220221 has 8 divisors (see below), whose sum is σ = 22013663022624. Its totient is φ = 21990362275440.

The previous prime is 22002011220197. The next prime is 22002011220251. The reversal of 22002011220221 is 12202211020022.

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 22002011220221 - 2¹⁰ = 22002011219197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22002011220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002011220251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14777291 + ... + 16197911.

It is an arithmetic number, because the mean of its divisors is an integer number (2751707877828).

Almost surely, 2^{22002011220221} is an apocalyptic number.

It is an amenable number.

22002011220221 is a deficient number, since it is larger than the sum of its proper divisors (11651802403).

22002011220221 is a wasteful number, since it uses less digits than its factorization.

22002011220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428811.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22002011220221 its reverse (12202211020022), we get a palindrome (34204222240243).

The spelling of 22002011220221 in words is "twenty-two trillion, two billion, eleven million, two hundred twenty thousand, two hundred twenty-one".