2112043011 has 16 divisors (see below), whose sum is σ = 3164534016. Its totient is φ = 1243208736.

The previous prime is 2112043007. The next prime is 2112043013. The reversal of 2112043011 is 1103402112.

It is not a de Polignac number, because 2112043011 - 2² = 2112043007 is a prime.

It is a super-2 number, since 2×2112043011² = 8921451360627892242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112043013) 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, 1176385 + ... + 1178178.

It is an arithmetic number, because the mean of its divisors is an integer number (197783376).

Almost surely, 2^2112043011 is an apocalyptic number.

2112043011 is a deficient number, since it is larger than the sum of its proper divisors (1052491005).

2112043011 is a wasteful number, since it uses less digits than its factorization.

2112043011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354602.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2112043011 is about 45956.9691233005. The cubic root of 2112043011 is about 1283.0224414884.

Adding to 2112043011 its reverse (1103402112), we get a palindrome (3215445123).

The spelling of 2112043011 in words is "two billion, one hundred twelve million, forty-three thousand, eleven".