2112113011 has 4 divisors (see below), whose sum is σ = 2116151992. Its totient is φ = 2108074032.

The previous prime is 2112113009. The next prime is 2112113077. The reversal of 2112113011 is 1103112112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112113011 - 2¹ = 2112113009 is a prime.

It is a super-2 number, since 2×2112113011² = 8922042742470972242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112112982 and 2112113000.

It is not an unprimeable number, because it can be changed into a prime (2112113911) 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, 2018706 + ... + 2019751.

It is an arithmetic number, because the mean of its divisors is an integer number (529037998).

Almost surely, 2^2112113011 is an apocalyptic number.

2112113011 is a deficient number, since it is larger than the sum of its proper divisors (4038981).

2112113011 is an equidigital number, since it uses as much as digits as its factorization.

2112113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038980.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2112113011 is about 45957.7306989803. The cubic root of 2112113011 is about 1283.0366158491.

Adding to 2112113011 its reverse (1103112112), we get a palindrome (3215225123).

The spelling of 2112113011 in words is "two billion, one hundred twelve million, one hundred thirteen thousand, eleven".