33401121441 has 4 divisors (see below), whose sum is σ = 44534828592. Its totient is φ = 22267414292.

The previous prime is 33401121437. The next prime is 33401121449. The reversal of 33401121441 is 14412110433.

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 33401121441 - 2² = 33401121437 is a prime.

It is a super-2 number, since 2×33401121441² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33401121449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566853571 + ... + 5566853576.

It is an arithmetic number, because the mean of its divisors is an integer number (11133707148).

Almost surely, 2^33401121441 is an apocalyptic number.

It is an amenable number.

33401121441 is a deficient number, since it is larger than the sum of its proper divisors (11133707151).

33401121441 is a wasteful number, since it uses less digits than its factorization.

33401121441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133707150.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 33401121441 its reverse (14412110433), we get a palindrome (47813231874).

The spelling of 33401121441 in words is "thirty-three billion, four hundred one million, one hundred twenty-one thousand, four hundred forty-one".