22011120233 has 4 divisors (see below), whose sum is σ = 22011760260. Its totient is φ = 22010480208.

The previous prime is 22011120223. The next prime is 22011120239. The reversal of 22011120233 is 33202111022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4722026089 + 17289094144 = 68717^2 + 131488^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011120233 - 2³⁰ = 20937378409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011120239) 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, 265310 + ... + 338247.

It is an arithmetic number, because the mean of its divisors is an integer number (5502940065).

Almost surely, 2^22011120233 is an apocalyptic number.

It is an amenable number.

22011120233 is a deficient number, since it is larger than the sum of its proper divisors (640027).

22011120233 is an equidigital number, since it uses as much as digits as its factorization.

22011120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640026.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22011120233 its reverse (33202111022), we get a palindrome (55213231255).

The spelling of 22011120233 in words is "twenty-two billion, eleven million, one hundred twenty thousand, two hundred thirty-three".