22101311233 has 4 divisors (see below), whose sum is σ = 23264538160. Its totient is φ = 20938084308.

The previous prime is 22101311201. The next prime is 22101311257. The reversal of 22101311233 is 33211310122.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33211310122 = 2 ⋅16605655061.

It is a cyclic number.

It is not a de Polignac number, because 22101311233 - 2⁵ = 22101311201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1163226907 = 22101311233 / (2 + 2 + 1 + 0 + 1 + 3 + 1 + 1 + 2 + 3 + 3).

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 22101311233.

It is not an unprimeable number, because it can be changed into a prime (22101311633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581613435 + ... + 581613472.

It is an arithmetic number, because the mean of its divisors is an integer number (5816134540).

Almost surely, 2^22101311233 is an apocalyptic number.

It is an amenable number.

22101311233 is a deficient number, since it is larger than the sum of its proper divisors (1163226927).

22101311233 is a wasteful number, since it uses less digits than its factorization.

22101311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163226926.

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

Adding to 22101311233 its reverse (33211310122), we get a palindrome (55312621355).

The spelling of 22101311233 in words is "twenty-two billion, one hundred one million, three hundred eleven thousand, two hundred thirty-three".