33221111133 has 32 divisors (see below), whose sum is σ = 51256396800. Its totient is φ = 18746050176.

The previous prime is 33221111117. The next prime is 33221111137. The reversal of 33221111133 is 33111112233.

It is a happy number.

It is not a de Polignac number, because 33221111133 - 2⁴ = 33221111117 is a prime.

It is a super-2 number, since 2×33221111133² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221111137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6375033 + ... + 6380241.

It is an arithmetic number, because the mean of its divisors is an integer number (1601762400).

Almost surely, 2^33221111133 is an apocalyptic number.

It is an amenable number.

33221111133 is a deficient number, since it is larger than the sum of its proper divisors (18035285667).

33221111133 is a wasteful number, since it uses less digits than its factorization.

33221111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961.

The product of its digits is 324, while the sum is 21.

Adding to 33221111133 its reverse (33111112233), we get a palindrome (66332223366).

The spelling of 33221111133 in words is "thirty-three billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirty-three".