221421327266633 has 8 divisors (see below), whose sum is σ = 238455658728000. Its totient is φ = 204387270329808.

The previous prime is 221421327266617. The next prime is 221421327266663. The reversal of 221421327266633 is 336662723124122.

221421327266633 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 221421327266633 - 2⁴ = 221421327266617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221421327266663) 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, 66954443 + ... + 70183616.

It is an arithmetic number, because the mean of its divisors is an integer number (29806957341000).

Almost surely, 2^{221421327266633} is an apocalyptic number.

It is an amenable number.

221421327266633 is a deficient number, since it is larger than the sum of its proper divisors (17034331461367).

221421327266633 is a wasteful number, since it uses less digits than its factorization.

221421327266633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137262271.

The product of its digits is 5225472, while the sum is 50.

The spelling of 221421327266633 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, three hundred twenty-seven million, two hundred sixty-six thousand, six hundred thirty-three".