10221441321 has 16 divisors (see below), whose sum is σ = 16773647744. Its totient is φ = 5391529344.

The previous prime is 10221441317. The next prime is 10221441353. The reversal of 10221441321 is 12314412201.

It is not a de Polignac number, because 10221441321 - 2² = 10221441317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10221441361) 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, 18720316 + ... + 18720861.

It is an arithmetic number, because the mean of its divisors is an integer number (1048352984).

Almost surely, 2^10221441321 is an apocalyptic number.

It is an amenable number.

10221441321 is a deficient number, since it is larger than the sum of its proper divisors (6552206423).

10221441321 is a wasteful number, since it uses less digits than its factorization.

10221441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37441200.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10221441321 its reverse (12314412201), we get a palindrome (22535853522).

The spelling of 10221441321 in words is "ten billion, two hundred twenty-one million, four hundred forty-one thousand, three hundred twenty-one".