33133221033 has 12 divisors (see below), whose sum is σ = 48558880944. Its totient is φ = 20080739800.

The previous prime is 33133221001. The next prime is 33133221137. The reversal of 33133221033 is 33012233133.

It is not a de Polignac number, because 33133221033 - 2⁵ = 33133221001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33133220994 and 33133221012.

It is not an unprimeable number, because it can be changed into a prime (33133220033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45637683 + ... + 45638408.

It is an arithmetic number, because the mean of its divisors is an integer number (4046573412).

Almost surely, 2^33133221033 is an apocalyptic number.

33133221033 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

33133221033 is a deficient number, since it is larger than the sum of its proper divisors (15425659911).

33133221033 is a wasteful number, since it uses less digits than its factorization.

33133221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91276116 (or 91276105 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 33133221033 its reverse (33012233133), we get a palindrome (66145454166).

The spelling of 33133221033 in words is "thirty-three billion, one hundred thirty-three million, two hundred twenty-one thousand, thirty-three".