222122021000221 has 16 divisors (see below), whose sum is σ = 226100675023488. Its totient is φ = 218154267144000.

The previous prime is 222122021000027. The next prime is 222122021000233. The reversal of 222122021000221 is 122000120221222.

It is a cyclic number.

It is not a de Polignac number, because 222122021000221 - 2¹⁵ = 222122020967453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122021000291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987310880 + ... + 1987422646.

It is an arithmetic number, because the mean of its divisors is an integer number (14131292188968).

Almost surely, 2^{222122021000221} is an apocalyptic number.

It is an amenable number.

222122021000221 is a deficient number, since it is larger than the sum of its proper divisors (3978654023267).

222122021000221 is a wasteful number, since it uses less digits than its factorization.

222122021000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160212.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222122021000221 its reverse (122000120221222), we get a palindrome (344122141221443).

The spelling of 222122021000221 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-one", and thus it is an aban number.