20112103222 has 4 divisors (see below), whose sum is σ = 30168154836. Its totient is φ = 10056051610.

The previous prime is 20112103217. The next prime is 20112103243. The reversal of 20112103222 is 22230121102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20112103196 and 20112103205.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5028025804 + ... + 5028025807.

It is an arithmetic number, because the mean of its divisors is an integer number (7542038709).

Almost surely, 2^20112103222 is an apocalyptic number.

20112103222 is a deficient number, since it is larger than the sum of its proper divisors (10056051614).

20112103222 is a wasteful number, since it uses less digits than its factorization.

20112103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056051613.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20112103222 its reverse (22230121102), we get a palindrome (42342224324).

The spelling of 20112103222 in words is "twenty billion, one hundred twelve million, one hundred three thousand, two hundred twenty-two".