33322012021 has 8 divisors (see below), whose sum is σ = 33823238624. Its totient is φ = 32820899760.

The previous prime is 33322012007. The next prime is 33322012027. The reversal of 33322012021 is 12021022333.

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

It is a cyclic number.

It is not a de Polignac number, because 33322012021 - 2³³ = 24732077429 is a prime.

It is a super-2 number, since 2×33322012021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33322012021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33322012027) 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, 695251 + ... + 741631.

It is an arithmetic number, because the mean of its divisors is an integer number (4227904828).

Almost surely, 2^33322012021 is an apocalyptic number.

It is an amenable number.

33322012021 is a deficient number, since it is larger than the sum of its proper divisors (501226603).

33322012021 is a wasteful number, since it uses less digits than its factorization.

33322012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57171.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33322012021 its reverse (12021022333), we get a palindrome (45343034354).

The spelling of 33322012021 in words is "thirty-three billion, three hundred twenty-two million, twelve thousand, twenty-one".