20110112222 has 16 divisors (see below), whose sum is σ = 31206866544. Its totient is φ = 9712680000.

The previous prime is 20110112153. The next prime is 20110112227. The reversal of 20110112222 is 22221101102.

It is a super-2 number, since 2×20110112222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110112197 and 20110112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110112227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205804 + ... + 1222367.

It is an arithmetic number, because the mean of its divisors is an integer number (1950429159).

Almost surely, 2^20110112222 is an apocalyptic number.

20110112222 is a deficient number, since it is larger than the sum of its proper divisors (11096754322).

20110112222 is a wasteful number, since it uses less digits than its factorization.

20110112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428315.

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

Adding to 20110112222 its reverse (22221101102), we get a palindrome (42331213324).

The spelling of 20110112222 in words is "twenty billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-two".