20112210112 has 28 divisors (see below), whose sum is σ = 39915332920. Its totient is φ = 10054803456.

The previous prime is 20112210073. The next prime is 20112210119. The reversal of 20112210112 is 21101221102.

It is a junction number, because it is equal to n+sod(n) for n = 20112210092 and 20112210101.

It is not an unprimeable number, because it can be changed into a prime (20112210119) 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, 648463 + ... + 678769.

Almost surely, 2^20112210112 is an apocalyptic number.

It is an amenable number.

20112210112 is a deficient number, since it is larger than the sum of its proper divisors (19803122808).

20112210112 is a wasteful number, since it uses less digits than its factorization.

20112210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40688 (or 40678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112210112 its reverse (21101221102), we get a palindrome (41213431214).

The spelling of 20112210112 in words is "twenty billion, one hundred twelve million, two hundred ten thousand, one hundred twelve".