22011321243 has 16 divisors (see below), whose sum is σ = 29843827200. Its totient is φ = 14428571040.

The previous prime is 22011321221. The next prime is 22011321247. The reversal of 22011321243 is 34212311022.

It is not a de Polignac number, because 22011321243 - 2⁶ = 22011321179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011321247) 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, 214083 + ... + 299756.

It is an arithmetic number, because the mean of its divisors is an integer number (1865239200).

Almost surely, 2^22011321243 is an apocalyptic number.

22011321243 is a deficient number, since it is larger than the sum of its proper divisors (7832505957).

22011321243 is a wasteful number, since it uses less digits than its factorization.

22011321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514082.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22011321243 its reverse (34212311022), we get a palindrome (56223632265).

The spelling of 22011321243 in words is "twenty-two billion, eleven million, three hundred twenty-one thousand, two hundred forty-three".