221453334107 has 2 divisors, whose sum is σ = 221453334108. Its totient is φ = 221453334106.

The previous prime is 221453334079. The next prime is 221453334127. The reversal of 221453334107 is 701433354122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221453334107 - 2⁶ = 221453334043 is a prime.

It is not a weakly prime, because it can be changed into another prime (221453334127) 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, 110726667053 + 110726667054.

It is an arithmetic number, because the mean of its divisors is an integer number (110726667054).

Almost surely, 2^221453334107 is an apocalyptic number.

221453334107 is a deficient number, since it is larger than the sum of its proper divisors (1).

221453334107 is an equidigital number, since it uses as much as digits as its factorization.

221453334107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 221453334107 its reverse (701433354122), we get a palindrome (922886688229).

The spelling of 221453334107 in words is "two hundred twenty-one billion, four hundred fifty-three million, three hundred thirty-four thousand, one hundred seven".