21152210301151 has 2 divisors, whose sum is σ = 21152210301152. Its totient is φ = 21152210301150.

The previous prime is 21152210301149. The next prime is 21152210301251. The reversal of 21152210301151 is 15110301225112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21152210301151 - 2¹ = 21152210301149 is a prime.

It is a super-2 number, since 2×21152210301151² (a number of 27 digits) contains 22 as substring.

Together with 21152210301149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21152210301121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10576105150575 + 10576105150576.

It is an arithmetic number, because the mean of its divisors is an integer number (10576105150576).

Almost surely, 2^{21152210301151} is an apocalyptic number.

21152210301151 is a deficient number, since it is larger than the sum of its proper divisors (1).

21152210301151 is an equidigital number, since it uses as much as digits as its factorization.

21152210301151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 21152210301151 its reverse (15110301225112), we get a palindrome (36262511526263).

The spelling of 21152210301151 in words is "twenty-one trillion, one hundred fifty-two billion, two hundred ten million, three hundred one thousand, one hundred fifty-one".