14421031221320 has 64 divisors (see below), whose sum is σ = 32971338187200. Its totient is φ = 5675461482240.

The previous prime is 14421031221307. The next prime is 14421031221347. The reversal of 14421031221320 is 2312213012441.

It is a happy number.

It is a super-2 number, since 2×14421031221320² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14421031221320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023746 + ... + 5467185.

It is an arithmetic number, because the mean of its divisors is an integer number (515177159175).

Almost surely, 2^{14421031221320} is an apocalyptic number.

14421031221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14421031221320 is an abundant number, since it is smaller than the sum of its proper divisors (18550306965880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14421031221320 is a wasteful number, since it uses less digits than its factorization.

14421031221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491838 (or 6491834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 14421031221320 its reverse (2312213012441), we get a palindrome (16733244233761).

The spelling of 14421031221320 in words is "fourteen trillion, four hundred twenty-one billion, thirty-one million, two hundred twenty-one thousand, three hundred twenty".