421304100011 has 2 divisors, whose sum is σ = 421304100012. Its totient is φ = 421304100010.

The previous prime is 421304099917. The next prime is 421304100029. The reversal of 421304100011 is 110001403124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421304100011 - 2¹⁰ = 421304098987 is a prime.

It is not a weakly prime, because it can be changed into another prime (421304100031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210652050005 + 210652050006.

It is an arithmetic number, because the mean of its divisors is an integer number (210652050006).

Almost surely, 2^421304100011 is an apocalyptic number.

421304100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

421304100011 is an equidigital number, since it uses as much as digits as its factorization.

421304100011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 421304100011 its reverse (110001403124), we get a palindrome (531305503135).

The spelling of 421304100011 in words is "four hundred twenty-one billion, three hundred four million, one hundred thousand, eleven".