2212111112 has 16 divisors (see below), whose sum is σ = 4328043840. Its totient is φ = 1057966096.

The previous prime is 2212111079. The next prime is 2212111133. The reversal of 2212111112 is 2111112122.

It is a nude number because it is divisible by every one of its digits.

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, 6010988 + ... + 6011355.

It is an arithmetic number, because the mean of its divisors is an integer number (270502740).

Almost surely, 2^2212111112 is an apocalyptic number.

It is an amenable number.

2212111112 is a deficient number, since it is larger than the sum of its proper divisors (2115932728).

2212111112 is a wasteful number, since it uses less digits than its factorization.

2212111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022372 (or 12022368 counting only the distinct ones).

The product of its digits is 16, while the sum is 14.

The square root of 2212111112 is about 47033.0852911012. The cubic root of 2212111112 is about 1302.9736881070.

Adding to 2212111112 its reverse (2111112122), we get a palindrome (4323223234).

It can be divided in two parts, 22121 and 11112, that added together give a palindrome (33233).

The spelling of 2212111112 in words is "two billion, two hundred twelve million, one hundred eleven thousand, one hundred twelve".