20112110222 has 16 divisors (see below), whose sum is σ = 30271379712. Its totient is φ = 10021709880.

The previous prime is 20112110209. The next prime is 20112110231. The reversal of 20112110222 is 22201121102.

It is a junction number, because it is equal to n+sod(n) for n = 20112110197 and 20112110206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689147 + ... + 717737.

It is an arithmetic number, because the mean of its divisors is an integer number (1891961232).

Almost surely, 2^20112110222 is an apocalyptic number.

20112110222 is a deficient number, since it is larger than the sum of its proper divisors (10159269490).

20112110222 is a wasteful number, since it uses less digits than its factorization.

20112110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29783.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20112110222 its reverse (22201121102), we get a palindrome (42313231324).

It can be divided in two parts, 201121102 and 22, that multiplied together give a palindrome (4424664244).

The spelling of 20112110222 in words is "twenty billion, one hundred twelve million, one hundred ten thousand, two hundred twenty-two".