21302033223151 has 2 divisors, whose sum is σ = 21302033223152. Its totient is φ = 21302033223150.

The previous prime is 21302033223103. The next prime is 21302033223157. The reversal of 21302033223151 is 15132233020312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21302033223151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21302033223157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651016611575 + 10651016611576.

It is an arithmetic number, because the mean of its divisors is an integer number (10651016611576).

Almost surely, 2^{21302033223151} is an apocalyptic number.

21302033223151 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302033223151 is an equidigital number, since it uses as much as digits as its factorization.

21302033223151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 21302033223151 its reverse (15132233020312), we get a palindrome (36434266243463).

The spelling of 21302033223151 in words is "twenty-one trillion, three hundred two billion, thirty-three million, two hundred twenty-three thousand, one hundred fifty-one".