33112454040221 has 4 divisors (see below), whose sum is σ = 34855214779200. Its totient is φ = 31369693301244.

The previous prime is 33112454040167. The next prime is 33112454040247. The reversal of 33112454040221 is 12204045421133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33112454040221 - 2¹⁴ = 33112454023837 is a prime.

It is a super-2 number, since 2×33112454040221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33112454040821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871380369461 + ... + 871380369498.

It is an arithmetic number, because the mean of its divisors is an integer number (8713803694800).

Almost surely, 2^{33112454040221} is an apocalyptic number.

It is an amenable number.

33112454040221 is a deficient number, since it is larger than the sum of its proper divisors (1742760738979).

33112454040221 is a wasteful number, since it uses less digits than its factorization.

33112454040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742760738978.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 33112454040221 its reverse (12204045421133), we get a palindrome (45316499461354).

The spelling of 33112454040221 in words is "thirty-three trillion, one hundred twelve billion, four hundred fifty-four million, forty thousand, two hundred twenty-one".