33444333121 has 8 divisors (see below), whose sum is σ = 37275418080. Its totient is φ = 29820333888.

The previous prime is 33444333113. The next prime is 33444333149. The reversal of 33444333121 is 12133344433.

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 33444333121 - 2³ = 33444333113 is a prime.

It is a super-2 number, since 2×33444333121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33444333151) 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, 51771091 + ... + 51771736.

It is an arithmetic number, because the mean of its divisors is an integer number (4659427260).

Almost surely, 2^33444333121 is an apocalyptic number.

It is an amenable number.

33444333121 is a deficient number, since it is larger than the sum of its proper divisors (3831084959).

33444333121 is a wasteful number, since it uses less digits than its factorization.

33444333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103542863.

The product of its digits is 31104, while the sum is 31.

Adding to 33444333121 its reverse (12133344433), we get a palindrome (45577677554).

The spelling of 33444333121 in words is "thirty-three billion, four hundred forty-four million, three hundred thirty-three thousand, one hundred twenty-one".