21024101311 has 2 divisors, whose sum is σ = 21024101312. Its totient is φ = 21024101310.

The previous prime is 21024101269. The next prime is 21024101323. The reversal of 21024101311 is 11310142012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21024101311 - 2¹⁵ = 21024068543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21024101341) 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, 10512050655 + 10512050656.

It is an arithmetic number, because the mean of its divisors is an integer number (10512050656).

Almost surely, 2^21024101311 is an apocalyptic number.

21024101311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21024101311 is an equidigital number, since it uses as much as digits as its factorization.

21024101311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21024101311 its reverse (11310142012), we get a palindrome (32334243323).

The spelling of 21024101311 in words is "twenty-one billion, twenty-four million, one hundred one thousand, three hundred eleven".