33221121211001 has 16 divisors (see below), whose sum is σ = 33379983425280. Its totient is φ = 33062432135040.

The previous prime is 33221121210923. The next prime is 33221121211081. The reversal of 33221121211001 is 10011212112233.

It is a cyclic number.

It is not a de Polignac number, because 33221121211001 - 2³⁴ = 33203941341817 is a prime.

It is a super-2 number, since 2×33221121211001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33221121211081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4586648486 + ... + 4586655728.

It is an arithmetic number, because the mean of its divisors is an integer number (2086248964080).

Almost surely, 2^{33221121211001} is an apocalyptic number.

It is an amenable number.

33221121211001 is a deficient number, since it is larger than the sum of its proper divisors (158862214279).

33221121211001 is a wasteful number, since it uses less digits than its factorization.

33221121211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 33221121211001 its reverse (10011212112233), we get a palindrome (43232333323234).

The spelling of 33221121211001 in words is "thirty-three trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, one".