21303001151 has 2 divisors, whose sum is σ = 21303001152. Its totient is φ = 21303001150.

The previous prime is 21303001117. The next prime is 21303001157. The reversal of 21303001151 is 15110030312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21303001151 - 2²⁶ = 21235892287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21303001157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651500575 + 10651500576.

It is an arithmetic number, because the mean of its divisors is an integer number (10651500576).

Almost surely, 2^21303001151 is an apocalyptic number.

21303001151 is a deficient number, since it is larger than the sum of its proper divisors (1).

21303001151 is an equidigital number, since it uses as much as digits as its factorization.

21303001151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 21303001151 its reverse (15110030312), we get a palindrome (36413031463).

The spelling of 21303001151 in words is "twenty-one billion, three hundred three million, one thousand, one hundred fifty-one".