33130421421 has 8 divisors (see below), whose sum is σ = 44180884800. Its totient is φ = 22083452832.

The previous prime is 33130421413. The next prime is 33130421437. The reversal of 33130421421 is 12412403133.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33130421421 - 2³ = 33130421413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33130421391 and 33130421400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130431421) 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, 851496 + ... + 889553.

It is an arithmetic number, because the mean of its divisors is an integer number (5522610600).

Almost surely, 2^33130421421 is an apocalyptic number.

It is an amenable number.

33130421421 is a deficient number, since it is larger than the sum of its proper divisors (11050463379).

33130421421 is a wasteful number, since it uses less digits than its factorization.

33130421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747395.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 33130421421 its reverse (12412403133), we get a palindrome (45542824554).

The spelling of 33130421421 in words is "thirty-three billion, one hundred thirty million, four hundred twenty-one thousand, four hundred twenty-one".