11022232123 has 32 divisors (see below), whose sum is σ = 12882531200. Its totient is φ = 9236643840.

The previous prime is 11022232121. The next prime is 11022232129. The reversal of 11022232123 is 32123222011.

It is a cyclic number.

It is not a de Polignac number, because 11022232123 - 2¹ = 11022232121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11022232123.

It is not an unprimeable number, because it can be changed into a prime (11022232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31582153 + ... + 31582501.

It is an arithmetic number, because the mean of its divisors is an integer number (402579100).

Almost surely, 2^11022232123 is an apocalyptic number.

11022232123 is a deficient number, since it is larger than the sum of its proper divisors (1860299077).

11022232123 is a wasteful number, since it uses less digits than its factorization.

11022232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11022232123 its reverse (32123222011), we get a palindrome (43145454134).

The spelling of 11022232123 in words is "eleven billion, twenty-two million, two hundred thirty-two thousand, one hundred twenty-three".