221301043043 has 2 divisors, whose sum is σ = 221301043044. Its totient is φ = 221301043042.

The previous prime is 221301042983. The next prime is 221301043069. The reversal of 221301043043 is 340340103122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221301043043 - 2¹² = 221301038947 is a prime.

It is not a weakly prime, because it can be changed into another prime (221301033043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650521521 + 110650521522.

It is an arithmetic number, because the mean of its divisors is an integer number (110650521522).

Almost surely, 2^221301043043 is an apocalyptic number.

221301043043 is a deficient number, since it is larger than the sum of its proper divisors (1).

221301043043 is an equidigital number, since it uses as much as digits as its factorization.

221301043043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221301043043 its reverse (340340103122), we get a palindrome (561641146165).

The spelling of 221301043043 in words is "two hundred twenty-one billion, three hundred one million, forty-three thousand, forty-three".