22011231133 has 4 divisors (see below), whose sum is σ = 22069308640. Its totient is φ = 21953153628.

The previous prime is 22011231113. The next prime is 22011231161. The reversal of 22011231133 is 33113211022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22011231133 - 2¹³ = 22011222941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22011231133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011231113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29038185 + ... + 29038942.

It is an arithmetic number, because the mean of its divisors is an integer number (5517327160).

Almost surely, 2^22011231133 is an apocalyptic number.

It is an amenable number.

22011231133 is a deficient number, since it is larger than the sum of its proper divisors (58077507).

22011231133 is an equidigital number, since it uses as much as digits as its factorization.

22011231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58077506.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22011231133 its reverse (33113211022), we get a palindrome (55124442155).

It can be divided in two parts, 2201123 and 1133, that added together give a square (2202256 = 1484²).

The spelling of 22011231133 in words is "twenty-two billion, eleven million, two hundred thirty-one thousand, one hundred thirty-three".