10032131221 has 8 divisors (see below), whose sum is σ = 11471892224. Its totient is φ = 8594020080.

The previous prime is 10032131203. The next prime is 10032131231. The reversal of 10032131221 is 12213123001.

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

It is a cyclic number.

It is not a de Polignac number, because 10032131221 - 2⁵ = 10032131189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10032131195 and 10032131204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10032131231) 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, 399405 + ... + 423778.

It is an arithmetic number, because the mean of its divisors is an integer number (1433986528).

Almost surely, 2^10032131221 is an apocalyptic number.

It is an amenable number.

10032131221 is a deficient number, since it is larger than the sum of its proper divisors (1439761003).

10032131221 is an equidigital number, since it uses as much as digits as its factorization.

10032131221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824931.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10032131221 its reverse (12213123001), we get a palindrome (22245254222).

The spelling of 10032131221 in words is "ten billion, thirty-two million, one hundred thirty-one thousand, two hundred twenty-one".