2112112120011 has 16 divisors (see below), whose sum is σ = 2818766399904. Its totient is φ = 1406766546944.

The previous prime is 2112112120009. The next prime is 2112112120051. The reversal of 2112112120011 is 1100212112112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2112112120011 - 2¹ = 2112112120009 is a prime.

It is a super-2 number, since 2×2112112120011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112112120051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41570455 + ... + 41621231.

It is an arithmetic number, because the mean of its divisors is an integer number (176172899994).

Almost surely, 2^{2112112120011} is an apocalyptic number.

2112112120011 is a deficient number, since it is larger than the sum of its proper divisors (706654279893).

2112112120011 is a wasteful number, since it uses less digits than its factorization.

2112112120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63390.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112112120011 its reverse (1100212112112), we get a palindrome (3212324232123).

The spelling of 2112112120011 in words is "two trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty thousand, eleven".