21302231711 has 2 divisors, whose sum is σ = 21302231712. Its totient is φ = 21302231710.

The previous prime is 21302231683. The next prime is 21302231749. The reversal of 21302231711 is 11713220312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21302231711 - 2¹⁴ = 21302215327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21302231911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651115855 + 10651115856.

It is an arithmetic number, because the mean of its divisors is an integer number (10651115856).

Almost surely, 2^21302231711 is an apocalyptic number.

21302231711 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302231711 is an equidigital number, since it uses as much as digits as its factorization.

21302231711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 21302231711 in words is "twenty-one billion, three hundred two million, two hundred thirty-one thousand, seven hundred eleven".