10040214221 has 4 divisors (see below), whose sum is σ = 10040472672. Its totient is φ = 10039955772.

The previous prime is 10040214203. The next prime is 10040214227. The reversal of 10040214221 is 12241204001.

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 a de Polignac number, because none of the positive numbers 2^k-10040214221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10040214221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040214227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57791 + ... + 153036.

It is an arithmetic number, because the mean of its divisors is an integer number (2510118168).

Almost surely, 2^10040214221 is an apocalyptic number.

It is an amenable number.

10040214221 is a deficient number, since it is larger than the sum of its proper divisors (258451).

10040214221 is an equidigital number, since it uses as much as digits as its factorization.

10040214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258450.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10040214221 its reverse (12241204001), we get a palindrome (22281418222).

The spelling of 10040214221 in words is "ten billion, forty million, two hundred fourteen thousand, two hundred twenty-one".