32112210021 has 4 divisors (see below), whose sum is σ = 42816280032. Its totient is φ = 21408140012.

The previous prime is 32112210007. The next prime is 32112210029. The reversal of 32112210021 is 12001221123.

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 32112210021 - 2⁹ = 32112209509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32112210029) 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 3 ways as a sum of consecutive naturals, for example, 5352035001 + ... + 5352035006.

It is an arithmetic number, because the mean of its divisors is an integer number (10704070008).

Almost surely, 2^32112210021 is an apocalyptic number.

It is an amenable number.

32112210021 is a deficient number, since it is larger than the sum of its proper divisors (10704070011).

32112210021 is a wasteful number, since it uses less digits than its factorization.

32112210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704070010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 32112210021 its reverse (12001221123), we get a palindrome (44113431144).

The spelling of 32112210021 in words is "thirty-two billion, one hundred twelve million, two hundred ten thousand, twenty-one".