33323021121 has 16 divisors (see below), whose sum is σ = 50663055744. Its totient is φ = 19300210944.

The previous prime is 33323021119. The next prime is 33323021143. The reversal of 33323021121 is 12112032333.

It is not a de Polignac number, because 33323021121 - 2¹ = 33323021119 is a prime.

It is a super-2 number, since 2×33323021121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33323021821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25129821 + ... + 25131146.

It is an arithmetic number, because the mean of its divisors is an integer number (3166440984).

Almost surely, 2^33323021121 is an apocalyptic number.

It is an amenable number.

33323021121 is a deficient number, since it is larger than the sum of its proper divisors (17340034623).

33323021121 is a wasteful number, since it uses less digits than its factorization.

33323021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50261000.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33323021121 its reverse (12112032333), we get a palindrome (45435053454).

The spelling of 33323021121 in words is "thirty-three billion, three hundred twenty-three million, twenty-one thousand, one hundred twenty-one".