221112011122 has 8 divisors (see below), whose sum is σ = 335664017136. Its totient is φ = 109224005412.

The previous prime is 221112011117. The next prime is 221112011171. The reversal of 221112011122 is 221110211122.

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 = 221112011096 and 221112011105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665999868 + ... + 666000199.

It is an arithmetic number, because the mean of its divisors is an integer number (41958002142).

Almost surely, 2^221112011122 is an apocalyptic number.

221112011122 is a deficient number, since it is larger than the sum of its proper divisors (114552006014).

221112011122 is a wasteful number, since it uses less digits than its factorization.

221112011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332000152.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221112011122 its reverse (221110211122), we get a palindrome (442222222244).

The spelling of 221112011122 in words is "two hundred twenty-one billion, one hundred twelve million, eleven thousand, one hundred twenty-two".