421324151111 has 2 divisors, whose sum is σ = 421324151112. Its totient is φ = 421324151110.

The previous prime is 421324151093. The next prime is 421324151159. The reversal of 421324151111 is 111151423124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421324151111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421324151161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210662075555 + 210662075556.

It is an arithmetic number, because the mean of its divisors is an integer number (210662075556).

Almost surely, 2^421324151111 is an apocalyptic number.

421324151111 is a deficient number, since it is larger than the sum of its proper divisors (1).

421324151111 is an equidigital number, since it uses as much as digits as its factorization.

421324151111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 26.

Adding to 421324151111 its reverse (111151423124), we get a palindrome (532475574235).

The spelling of 421324151111 in words is "four hundred twenty-one billion, three hundred twenty-four million, one hundred fifty-one thousand, one hundred eleven".