33030022021 has 16 divisors (see below), whose sum is σ = 34337939328. Its totient is φ = 31750488000.

The previous prime is 33030021961. The next prime is 33030022043. The reversal of 33030022021 is 12022003033.

It is a cyclic number.

It is not a de Polignac number, because 33030022021 - 2³¹ = 30882538373 is a prime.

It is a super-3 number, since 3×33030022021³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33030021986 and 33030022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030022061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702511 + ... + 748051.

It is an arithmetic number, because the mean of its divisors is an integer number (2146121208).

Almost surely, 2^33030022021 is an apocalyptic number.

It is an amenable number.

33030022021 is a deficient number, since it is larger than the sum of its proper divisors (1307917307).

33030022021 is a wasteful number, since it uses less digits than its factorization.

33030022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45852.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33030022021 its reverse (12022003033), we get a palindrome (45052025054).

The spelling of 33030022021 in words is "thirty-three billion, thirty million, twenty-two thousand, twenty-one".