221333332001 has 8 divisors (see below), whose sum is σ = 222471528000. Its totient is φ = 220195396080.

The previous prime is 221333331953. The next prime is 221333332007. The reversal of 221333332001 is 100233333122.

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 221333332001 - 2³⁴ = 204153462817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221333332007) 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, 1774670 + ... + 1895288.

It is an arithmetic number, because the mean of its divisors is an integer number (27808941000).

Almost surely, 2^221333332001 is an apocalyptic number.

It is an amenable number.

221333332001 is a deficient number, since it is larger than the sum of its proper divisors (1138195999).

221333332001 is a wasteful number, since it uses less digits than its factorization.

221333332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130039.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 221333332001 its reverse (100233333122), we get a palindrome (321566665123).

The spelling of 221333332001 in words is "two hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-two thousand, one".