22110222011 has 4 divisors (see below), whose sum is σ = 22376610312. Its totient is φ = 21843833712.

The previous prime is 22110221983. The next prime is 22110222037. The reversal of 22110222011 is 11022201122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022201122 = 2 ⋅5511100561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22110222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110122011) 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, 133194026 + ... + 133194191.

It is an arithmetic number, because the mean of its divisors is an integer number (5594152578).

Almost surely, 2^22110222011 is an apocalyptic number.

22110222011 is a deficient number, since it is larger than the sum of its proper divisors (266388301).

22110222011 is an equidigital number, since it uses as much as digits as its factorization.

22110222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266388300.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22110222011 its reverse (11022201122), we get a palindrome (33132423133).

It can be divided in two parts, 22 and 110222011, that multiplied together give a palindrome (2424884242).

The spelling of 22110222011 in words is "twenty-two billion, one hundred ten million, two hundred twenty-two thousand, eleven".