222121122120201 has 8 divisors (see below), whose sum is σ = 300218502957280. Its totient is φ = 146052244681632.

The previous prime is 222121122120179. The next prime is 222121122120217. The reversal of 222121122120201 is 102021221121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222121122120201 - 2⁶ = 222121122120137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121122120101) 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 7 ways as a sum of consecutive naturals, for example, 507125849371 + ... + 507125849808.

It is an arithmetic number, because the mean of its divisors is an integer number (37527312869660).

Almost surely, 2^{222121122120201} is an apocalyptic number.

It is an amenable number.

222121122120201 is a deficient number, since it is larger than the sum of its proper divisors (78097380837079).

222121122120201 is a wasteful number, since it uses less digits than its factorization.

222121122120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014251699255.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222121122120201 its reverse (102021221121222), we get a palindrome (324142343241423).

The spelling of 222121122120201 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, two hundred one".