11022232122 has 48 divisors (see below), whose sum is σ = 26166422880. Its totient is φ = 3325471200.

The previous prime is 11022232121. The next prime is 11022232129. The reversal of 11022232122 is 22123222011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11022232095 and 11022232104.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76204 + ... + 166887.

It is an arithmetic number, because the mean of its divisors is an integer number (545133810).

Almost surely, 2^11022232122 is an apocalyptic number.

11022232122 is an abundant number, since it is smaller than the sum of its proper divisors (15144190758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11022232122 is a wasteful number, since it uses less digits than its factorization.

11022232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243339 (or 243336 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11022232122 its reverse (22123222011), we get a palindrome (33145454133).

The spelling of 11022232122 in words is "eleven billion, twenty-two million, two hundred thirty-two thousand, one hundred twenty-two".