14021321231020 has 96 divisors (see below), whose sum is σ = 30488173148160. Its totient is φ = 5414318891520.

The previous prime is 14021321231009. The next prime is 14021321231077. The reversal of 14021321231020 is 2013212312041.

14021321231020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14021321230982 and 14021321231000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12478569 + ... + 13555711.

It is an arithmetic number, because the mean of its divisors is an integer number (317585136960).

Almost surely, 2^{14021321231020} is an apocalyptic number.

14021321231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14021321231020 is an abundant number, since it is smaller than the sum of its proper divisors (16466851917140).

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

14021321231020 is a wasteful number, since it uses less digits than its factorization.

14021321231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077415 (or 1077413 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 14021321231020 its reverse (2013212312041), we get a palindrome (16034533543061).

The spelling of 14021321231020 in words is "fourteen trillion, twenty-one billion, three hundred twenty-one million, two hundred thirty-one thousand, twenty".