14501109221 has 8 divisors (see below), whose sum is σ = 15096700920. Its totient is φ = 13911887808.

The previous prime is 14501109211. The next prime is 14501109241. The reversal of 14501109221 is 12290110541.

It can be written as a sum of positive squares in 4 ways, for example, as 4992129025 + 9508980196 = 70655^2 + 97514^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14501109221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14501109211) 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, 1587926 + ... + 1597031.

It is an arithmetic number, because the mean of its divisors is an integer number (1887087615).

Almost surely, 2^14501109221 is an apocalyptic number.

It is an amenable number.

14501109221 is a deficient number, since it is larger than the sum of its proper divisors (595591699).

14501109221 is a wasteful number, since it uses less digits than its factorization.

14501109221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185143.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 14501109221 its reverse (12290110541), we get a palindrome (26791219762).

The spelling of 14501109221 in words is "fourteen billion, five hundred one million, one hundred nine thousand, two hundred twenty-one".