33402344121 has 24 divisors (see below), whose sum is σ = 48989513664. Its totient is φ = 21926711520.

The previous prime is 33402344119. The next prime is 33402344137. The reversal of 33402344121 is 12144320433.

It is not a de Polignac number, because 33402344121 - 2¹ = 33402344119 is a prime.

It is a super-2 number, since 2×33402344121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33402354121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476490 + ... + 542076.

It is an arithmetic number, because the mean of its divisors is an integer number (2041229736).

Almost surely, 2^33402344121 is an apocalyptic number.

It is an amenable number.

33402344121 is a deficient number, since it is larger than the sum of its proper divisors (15587169543).

33402344121 is a wasteful number, since it uses less digits than its factorization.

33402344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66461 (or 66458 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 33402344121 its reverse (12144320433), we get a palindrome (45546664554).

The spelling of 33402344121 in words is "thirty-three billion, four hundred two million, three hundred forty-four thousand, one hundred twenty-one".