222201002120221 has 8 divisors (see below), whose sum is σ = 224144849429504. Its totient is φ = 220260189703680.

The previous prime is 222201002120191. The next prime is 222201002120243. The reversal of 222201002120221 is 122021200102222.

222201002120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222201002120221 - 2⁹ = 222201002119709 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 (222201002120621) 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, 758576115 + ... + 758868976.

It is an arithmetic number, because the mean of its divisors is an integer number (28018106178688).

Almost surely, 2^{222201002120221} is an apocalyptic number.

It is an amenable number.

222201002120221 is a deficient number, since it is larger than the sum of its proper divisors (1943847309283).

222201002120221 is a wasteful number, since it uses less digits than its factorization.

222201002120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517446371.

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

Adding to 222201002120221 its reverse (122021200102222), we get a palindrome (344222202222443).

The spelling of 222201002120221 in words is "two hundred twenty-two trillion, two hundred one billion, two million, one hundred twenty thousand, two hundred twenty-one".