21330010151 has 2 divisors, whose sum is σ = 21330010152. Its totient is φ = 21330010150.

The previous prime is 21330010129. The next prime is 21330010171. The reversal of 21330010151 is 15101003312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21330010151 - 2¹⁴ = 21329993767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21330010171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665005075 + 10665005076.

It is an arithmetic number, because the mean of its divisors is an integer number (10665005076).

Almost surely, 2^21330010151 is an apocalyptic number.

21330010151 is a deficient number, since it is larger than the sum of its proper divisors (1).

21330010151 is an equidigital number, since it uses as much as digits as its factorization.

21330010151 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 21330010151 its reverse (15101003312), we get a palindrome (36431013463).

The spelling of 21330010151 in words is "twenty-one billion, three hundred thirty million, ten thousand, one hundred fifty-one".