221302013321043 has 24 divisors (see below), whose sum is σ = 323590229922960. Its totient is φ = 145720898377920.

The previous prime is 221302013320991. The next prime is 221302013321057. The reversal of 221302013321043 is 340123310203122.

221302013321043 is a `hidden beast` number, since 2 + 2 + 130 + 201 + 3 + 321 + 0 + 4 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-221302013321043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221302013320998 and 221302013321016.

It is not an unprimeable number, because it can be changed into a prime (221302013321063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33834708 + ... + 39842081.

It is an arithmetic number, because the mean of its divisors is an integer number (13482926246790).

Almost surely, 2^{221302013321043} is an apocalyptic number.

221302013321043 is a deficient number, since it is larger than the sum of its proper divisors (102288216601917).

221302013321043 is a wasteful number, since it uses less digits than its factorization.

221302013321043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73680899 (or 73680896 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 221302013321043 its reverse (340123310203122), we get a palindrome (561425323524165).

The spelling of 221302013321043 in words is "two hundred twenty-one trillion, three hundred two billion, thirteen million, three hundred twenty-one thousand, forty-three".