11033121222 has 24 divisors (see below), whose sum is σ = 23911312464. Its totient is φ = 3676750704.

The previous prime is 11033121161. The next prime is 11033121223. The reversal of 11033121222 is 22212133011.

11033121222 is a `hidden beast` number, since 110 + 331 + 2 + 1 + 222 = 666.

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 = 11033121195 and 11033121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033121223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6753 + ... + 148700.

It is an arithmetic number, because the mean of its divisors is an integer number (996304686).

Almost surely, 2^11033121222 is an apocalyptic number.

11033121222 is an abundant number, since it is smaller than the sum of its proper divisors (12878191242).

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

11033121222 is a wasteful number, since it uses less digits than its factorization.

11033121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159404 (or 159401 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11033121222 its reverse (22212133011), we get a palindrome (33245254233).

The spelling of 11033121222 in words is "eleven billion, thirty-three million, one hundred twenty-one thousand, two hundred twenty-two".