21222300011 has 16 divisors (see below), whose sum is σ = 23484764160. Its totient is φ = 19016200320.

The previous prime is 21222299999. The next prime is 21222300017. The reversal of 21222300011 is 11000322212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21222300011 - 2⁶ = 21222299947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21222300017) 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 in 15 ways as a sum of consecutive naturals, for example, 494726 + ... + 535908.

It is an arithmetic number, because the mean of its divisors is an integer number (1467797760).

Almost surely, 2^21222300011 is an apocalyptic number.

21222300011 is a deficient number, since it is larger than the sum of its proper divisors (2262464149).

21222300011 is a wasteful number, since it uses less digits than its factorization.

21222300011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41866.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21222300011 its reverse (11000322212), we get a palindrome (32222622223).

The spelling of 21222300011 in words is "twenty-one billion, two hundred twenty-two million, three hundred thousand, eleven".