11222012122 has 8 divisors (see below), whose sum is σ = 16996445856. Its totient is φ = 5556530172.

The previous prime is 11222012119. The next prime is 11222012129. The reversal of 11222012122 is 22121022211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11222012096 and 11222012105.

It is not an unprimeable number, because it can be changed into a prime (11222012129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27237688 + ... + 27238099.

It is an arithmetic number, because the mean of its divisors is an integer number (2124555732).

Almost surely, 2^11222012122 is an apocalyptic number.

11222012122 is a deficient number, since it is larger than the sum of its proper divisors (5774433734).

11222012122 is a wasteful number, since it uses less digits than its factorization.

11222012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54475892.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11222012122 its reverse (22121022211), we get a palindrome (33343034333).

The spelling of 11222012122 in words is "eleven billion, two hundred twenty-two million, twelve thousand, one hundred twenty-two".