321421421411043 has 16 divisors (see below), whose sum is σ = 438529104114816. Its totient is φ = 209297358002880.

The previous prime is 321421421410993. The next prime is 321421421411089. The reversal of 321421421411043 is 340114124124123.

It is a de Polignac number, because none of the positive numbers 2^k-321421421411043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321421421410995 and 321421421411013.

It is not an unprimeable number, because it can be changed into a prime (321421421411093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112107823 + ... + 114939143.

It is an arithmetic number, because the mean of its divisors is an integer number (27408069007176).

Almost surely, 2^{321421421411043} is an apocalyptic number.

321421421411043 is a deficient number, since it is larger than the sum of its proper divisors (117107682703773).

321421421411043 is a wasteful number, since it uses less digits than its factorization.

321421421411043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711394.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 321421421411043 its reverse (340114124124123), we get a palindrome (661535545535166).

The spelling of 321421421411043 in words is "three hundred twenty-one trillion, four hundred twenty-one billion, four hundred twenty-one million, four hundred eleven thousand, forty-three".