1421120321013 has 8 divisors (see below), whose sum is σ = 1938892841248. Its totient is φ = 925380674064.

The previous prime is 1421120320883. The next prime is 1421120321021. The reversal of 1421120321013 is 3101230211241.

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

It is not a de Polignac number, because 1421120321013 - 2⁸ = 1421120320757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421120321513) 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, 5508218170 + ... + 5508218427.

It is an arithmetic number, because the mean of its divisors is an integer number (242361605156).

Almost surely, 2^{1421120321013} is an apocalyptic number.

It is an amenable number.

1421120321013 is a deficient number, since it is larger than the sum of its proper divisors (517772520235).

1421120321013 is a wasteful number, since it uses less digits than its factorization.

1421120321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016436643.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1421120321013 its reverse (3101230211241), we get a palindrome (4522350532254).

The spelling of 1421120321013 in words is "one trillion, four hundred twenty-one billion, one hundred twenty million, three hundred twenty-one thousand, thirteen".