32121133321 has 16 divisors (see below), whose sum is σ = 33706556928. Its totient is φ = 30574252800.

The previous prime is 32121133313. The next prime is 32121133397. The reversal of 32121133321 is 12333112123.

It is a cyclic number.

It is not a de Polignac number, because 32121133321 - 2³ = 32121133313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32121133292 and 32121133301.

It is not an unprimeable number, because it can be changed into a prime (32121133301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423895 + ... + 493891.

It is an arithmetic number, because the mean of its divisors is an integer number (2106659808).

Almost surely, 2^32121133321 is an apocalyptic number.

32121133321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32121133321 is a deficient number, since it is larger than the sum of its proper divisors (1585423607).

32121133321 is a wasteful number, since it uses less digits than its factorization.

32121133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70272.

The product of its digits is 648, while the sum is 22.

Adding to 32121133321 its reverse (12333112123), we get a palindrome (44454245444).

The spelling of 32121133321 in words is "thirty-two billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred twenty-one".