33401130121 has 4 divisors (see below), whose sum is σ = 34111792512. Its totient is φ = 32690467732.

The previous prime is 33401130109. The next prime is 33401130131. The reversal of 33401130121 is 12103110433.

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 33401130121 - 2⁹ = 33401129609 is a prime.

It is a super-2 number, since 2×33401130121² (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 (33401130101) 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, 355331125 + ... + 355331218.

It is an arithmetic number, because the mean of its divisors is an integer number (8527948128).

Almost surely, 2^33401130121 is an apocalyptic number.

It is an amenable number.

33401130121 is a deficient number, since it is larger than the sum of its proper divisors (710662391).

33401130121 is an equidigital number, since it uses as much as digits as its factorization.

33401130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710662390.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33401130121 its reverse (12103110433), we get a palindrome (45504240554).

The spelling of 33401130121 in words is "thirty-three billion, four hundred one million, one hundred thirty thousand, one hundred twenty-one".