22111301320 has 64 divisors (see below), whose sum is σ = 50631421680. Its totient is φ = 8689238016.

The previous prime is 22111301279. The next prime is 22111301327. The reversal of 22111301320 is 2310311122.

It can be written as a sum of positive squares in 8 ways, for example, as 8024934724 + 14086366596 = 89582^2 + 118686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22111301294 and 22111301303.

It is not an unprimeable number, because it can be changed into a prime (22111301327) 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, 510762 + ... + 552358.

Almost surely, 2^22111301320 is an apocalyptic number.

22111301320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111301320 is an abundant number, since it is smaller than the sum of its proper divisors (28520120360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111301320 is a wasteful number, since it uses less digits than its factorization.

22111301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41842 (or 41838 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22111301320 its reverse (2310311122), we get a palindrome (24421612442).

The spelling of 22111301320 in words is "twenty-two billion, one hundred eleven million, three hundred one thousand, three hundred twenty".