21122314763 has 16 divisors (see below), whose sum is σ = 24274857600. Its totient is φ = 18176791680.

The previous prime is 21122314757. The next prime is 21122314793. The reversal of 21122314763 is 36741322112.

It is a cyclic number.

It is not a de Polignac number, because 21122314763 - 2¹⁰ = 21122313739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122314793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222995 + ... + 303267.

It is an arithmetic number, because the mean of its divisors is an integer number (1517178600).

Almost surely, 2^21122314763 is an apocalyptic number.

21122314763 is a deficient number, since it is larger than the sum of its proper divisors (3152542837).

21122314763 is a wasteful number, since it uses less digits than its factorization.

21122314763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81562.

The product of its digits is 12096, while the sum is 32.

Adding to 21122314763 its reverse (36741322112), we get a palindrome (57863636875).

The spelling of 21122314763 in words is "twenty-one billion, one hundred twenty-two million, three hundred fourteen thousand, seven hundred sixty-three".