10321140221 has 16 divisors (see below), whose sum is σ = 12456751104. Its totient is φ = 8360089584.

The previous prime is 10321140211. The next prime is 10321140229. The reversal of 10321140221 is 12204112301.

It is not a de Polignac number, because 10321140221 - 2¹⁸ = 10320878077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10321140221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321140229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372821 + ... + 399546.

It is an arithmetic number, because the mean of its divisors is an integer number (778546944).

Almost surely, 2^10321140221 is an apocalyptic number.

It is an amenable number.

10321140221 is a deficient number, since it is larger than the sum of its proper divisors (2135610883).

10321140221 is an equidigital number, since it uses as much as digits as its factorization.

10321140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772480.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10321140221 its reverse (12204112301), we get a palindrome (22525252522).

The spelling of 10321140221 in words is "ten billion, three hundred twenty-one million, one hundred forty thousand, two hundred twenty-one".