22112011210 has 8 divisors (see below), whose sum is σ = 39801620196. Its totient is φ = 8844804480.

The previous prime is 22112011183. The next prime is 22112011211. The reversal of 22112011210 is 1211021122.

It can be written as a sum of positive squares in 2 ways, for example, as 19891999521 + 2220011689 = 141039^2 + 47117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22112011211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105600551 + ... + 1105600570.

Almost surely, 2^22112011210 is an apocalyptic number.

22112011210 is a deficient number, since it is larger than the sum of its proper divisors (17689608986).

22112011210 is a wasteful number, since it uses less digits than its factorization.

22112011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211201128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22112011210 its reverse (1211021122), we get a palindrome (23323032332).

The spelling of 22112011210 in words is "twenty-two billion, one hundred twelve million, eleven thousand, two hundred ten".