22221313011 has 8 divisors (see below), whose sum is σ = 32920463760. Its totient is φ = 14814208656.

The previous prime is 22221313007. The next prime is 22221313027. The reversal of 22221313011 is 11031312222.

It is not a de Polignac number, because 22221313011 - 2² = 22221313007 is a prime.

It is a super-2 number, since 2×22221313011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221313001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411505770 + ... + 411505823.

It is an arithmetic number, because the mean of its divisors is an integer number (4115057970).

Almost surely, 2^22221313011 is an apocalyptic number.

22221313011 is a deficient number, since it is larger than the sum of its proper divisors (10699150749).

22221313011 is an equidigital number, since it uses as much as digits as its factorization.

22221313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823011602 (or 823011596 counting only the distinct ones).

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

Adding to 22221313011 its reverse (11031312222), we get a palindrome (33252625233).

The spelling of 22221313011 in words is "twenty-two billion, two hundred twenty-one million, three hundred thirteen thousand, eleven".