33133022021 has 8 divisors (see below), whose sum is σ = 36171572544. Its totient is φ = 30098881120.

The previous prime is 33133022017. The next prime is 33133022057. The reversal of 33133022021 is 12022033133.

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

It is not a de Polignac number, because 33133022021 - 2² = 33133022017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33133021984 and 33133022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133022081) 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, 1086680 + ... + 1116753.

It is an arithmetic number, because the mean of its divisors is an integer number (4521446568).

Almost surely, 2^33133022021 is an apocalyptic number.

It is an amenable number.

33133022021 is a deficient number, since it is larger than the sum of its proper divisors (3038550523).

33133022021 is a wasteful number, since it uses less digits than its factorization.

33133022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204811.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33133022021 its reverse (12022033133), we get a palindrome (45155055154).

The spelling of 33133022021 in words is "thirty-three billion, one hundred thirty-three million, twenty-two thousand, twenty-one".