21352002311 has 2 divisors, whose sum is σ = 21352002312. Its totient is φ = 21352002310.

The previous prime is 21352002283. The next prime is 21352002361. The reversal of 21352002311 is 11320025312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21352002311 - 2¹⁰ = 21352001287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21352002361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10676001155 + 10676001156.

It is an arithmetic number, because the mean of its divisors is an integer number (10676001156).

Almost surely, 2^21352002311 is an apocalyptic number.

21352002311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21352002311 is an equidigital number, since it uses as much as digits as its factorization.

21352002311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 21352002311 its reverse (11320025312), we get a palindrome (32672027623).

The spelling of 21352002311 in words is "twenty-one billion, three hundred fifty-two million, two thousand, three hundred eleven".