1421013343321 has 8 divisors (see below), whose sum is σ = 1669442249664. Its totient is φ = 1192458749520.

The previous prime is 1421013343303. The next prime is 1421013343331. The reversal of 1421013343321 is 1233433101241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421013343321 - 2⁵ = 1421013343289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421013343321.

It is not an unprimeable number, because it can be changed into a prime (1421013343301) 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, 4968577981 + ... + 4968578266.

It is an arithmetic number, because the mean of its divisors is an integer number (208680281208).

Almost surely, 2^{1421013343321} is an apocalyptic number.

1421013343321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1421013343321 is a deficient number, since it is larger than the sum of its proper divisors (248428906343).

1421013343321 is a wasteful number, since it uses less digits than its factorization.

1421013343321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937156271.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1421013343321 its reverse (1233433101241), we get a palindrome (2654446444562).

The spelling of 1421013343321 in words is "one trillion, four hundred twenty-one billion, thirteen million, three hundred forty-three thousand, three hundred twenty-one".