21222333313 has 16 divisors (see below), whose sum is σ = 22479724800. Its totient is φ = 20005594560.

The previous prime is 21222333269. The next prime is 21222333343. The reversal of 21222333313 is 31333322212.

It is a cyclic number.

It is not a de Polignac number, because 21222333313 - 2¹³ = 21222325121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21222333343) 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 15 ways as a sum of consecutive naturals, for example, 162043 + ... + 262111.

It is an arithmetic number, because the mean of its divisors is an integer number (1404982800).

Almost surely, 2^21222333313 is an apocalyptic number.

It is an amenable number.

21222333313 is a deficient number, since it is larger than the sum of its proper divisors (1257391487).

21222333313 is a wasteful number, since it uses less digits than its factorization.

21222333313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100272.

The product of its digits is 3888, while the sum is 25.

Adding to 21222333313 its reverse (31333322212), we get a palindrome (52555655525).

The spelling of 21222333313 in words is "twenty-one billion, two hundred twenty-two million, three hundred thirty-three thousand, three hundred thirteen".