33221112001 has 48 divisors (see below), whose sum is σ = 44149719168. Its totient is φ = 24279264000.

The previous prime is 33221111981. The next prime is 33221112011. The reversal of 33221112001 is 10021112233.

It is not a de Polignac number, because 33221112001 - 2¹¹ = 33221109953 is a prime.

It is a super-2 number, since 2×33221112001² (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 (33221112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2801581 + ... + 2813413.

It is an arithmetic number, because the mean of its divisors is an integer number (919785816).

Almost surely, 2^33221112001 is an apocalyptic number.

It is an amenable number.

33221112001 is a deficient number, since it is larger than the sum of its proper divisors (10928607167).

33221112001 is a wasteful number, since it uses less digits than its factorization.

33221112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990 (or 11971 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 33221112001 its reverse (10021112233), we get a palindrome (43242224234).

The spelling of 33221112001 in words is "thirty-three billion, two hundred twenty-one million, one hundred twelve thousand, one".