33221020001 has 8 divisors (see below), whose sum is σ = 35956267200. Its totient is φ = 30511456272.

The previous prime is 33221019983. The next prime is 33221020009. The reversal of 33221020001 is 10002012233.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33221020001 is a prime.

It is a super-2 number, since 2×33221020001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33221020009) 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, 6418175 + ... + 6423348.

It is an arithmetic number, because the mean of its divisors is an integer number (4494533400).

Almost surely, 2^33221020001 is an apocalyptic number.

It is an amenable number.

33221020001 is a deficient number, since it is larger than the sum of its proper divisors (2735247199).

33221020001 is a wasteful number, since it uses less digits than its factorization.

33221020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12841735.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 33221020001 its reverse (10002012233), we get a palindrome (43223032234).

The spelling of 33221020001 in words is "thirty-three billion, two hundred twenty-one million, twenty thousand, one".