221114333491 has 2 divisors, whose sum is σ = 221114333492. Its totient is φ = 221114333490.

The previous prime is 221114333437. The next prime is 221114333509. The reversal of 221114333491 is 194333411122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221114333491 - 2²⁹ = 220577462579 is a prime.

It is not a weakly prime, because it can be changed into another prime (221114336491) 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 as a sum of consecutive naturals, namely, 110557166745 + 110557166746.

It is an arithmetic number, because the mean of its divisors is an integer number (110557166746).

Almost surely, 2^221114333491 is an apocalyptic number.

221114333491 is a deficient number, since it is larger than the sum of its proper divisors (1).

221114333491 is an equidigital number, since it uses as much as digits as its factorization.

221114333491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The spelling of 221114333491 in words is "two hundred twenty-one billion, one hundred fourteen million, three hundred thirty-three thousand, four hundred ninety-one".