22101120211 has 4 divisors (see below), whose sum is σ = 22116269800. Its totient is φ = 22085970624.

The previous prime is 22101120149. The next prime is 22101120221. The reversal of 22101120211 is 11202110122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22101120211 - 2⁹ = 22101119699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101120191 and 22101120200.

It is not an unprimeable number, because it can be changed into a prime (22101120221) 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, 7572606 + ... + 7575523.

It is an arithmetic number, because the mean of its divisors is an integer number (5529067450).

Almost surely, 2^22101120211 is an apocalyptic number.

22101120211 is a deficient number, since it is larger than the sum of its proper divisors (15149589).

22101120211 is a wasteful number, since it uses less digits than its factorization.

22101120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149588.

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

Adding to 22101120211 its reverse (11202110122), we get a palindrome (33303230333).

The spelling of 22101120211 in words is "twenty-two billion, one hundred one million, one hundred twenty thousand, two hundred eleven".