2111222210112 has 84 divisors (see below), whose sum is σ = 6052399110316. Its totient is φ = 703628881920.

The previous prime is 2111222210093. The next prime is 2111222210129. The reversal of 2111222210112 is 2110122221112.

2111222210112 is a `hidden beast` number, since 211 + 122 + 221 + 0 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 762799611456 + 1348422598656 = 873384^2 + 1161216^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3375828 + ... + 3952044.

Almost surely, 2^{2111222210112} is an apocalyptic number.

It is an amenable number.

2111222210112 is an abundant number, since it is smaller than the sum of its proper divisors (3941176900204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111222210112 is a wasteful number, since it uses less digits than its factorization.

2111222210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582596 (or 582583 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2111222210112 its reverse (2110122221112), we get a palindrome (4221344431224).

The spelling of 2111222210112 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".