2112201211112 has 16 divisors (see below), whose sum is σ = 3961203626340. Its totient is φ = 1055880244096.

The previous prime is 2112201211013. The next prime is 2112201211117. The reversal of 2112201211112 is 2111121022112.

It can be written as a sum of positive squares in 2 ways, for example, as 2104257767236 + 7943443876 = 1450606^2 + 89126^2 .

It is a super-2 number, since 2×2112201211112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112201211117) 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, 27504443 + ... + 27581130.

Almost surely, 2^{2112201211112} is an apocalyptic number.

It is an amenable number.

2112201211112 is a deficient number, since it is larger than the sum of its proper divisors (1849002415228).

2112201211112 is a wasteful number, since it uses less digits than its factorization.

2112201211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55090372 (or 55090368 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2112201211112 its reverse (2111121022112), we get a palindrome (4223322233224).

The spelling of 2112201211112 in words is "two trillion, one hundred twelve billion, two hundred one million, two hundred eleven thousand, one hundred twelve".