21222311301 has 24 divisors (see below), whose sum is σ = 33868860480. Its totient is φ = 12737003136.

The previous prime is 21222311293. The next prime is 21222311311. The reversal of 21222311301 is 10311322212.

It is not a de Polignac number, because 21222311301 - 2³ = 21222311293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222311311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3011871 + ... + 3018908.

It is an arithmetic number, because the mean of its divisors is an integer number (1411202520).

Almost surely, 2^21222311301 is an apocalyptic number.

It is an amenable number.

21222311301 is a deficient number, since it is larger than the sum of its proper divisors (12646549179).

21222311301 is a wasteful number, since it uses less digits than its factorization.

21222311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030825 (or 6030822 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21222311301 its reverse (10311322212), we get a palindrome (31533633513).

The spelling of 21222311301 in words is "twenty-one billion, two hundred twenty-two million, three hundred eleven thousand, three hundred one".