2111112011 has 8 divisors (see below), whose sum is σ = 2121542544. Its totient is φ = 2100702240.

The previous prime is 2111112007. The next prime is 2111112079. The reversal of 2111112011 is 1102111112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2111112011 - 2² = 2111112007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111111983 and 2111112001.

It is not an unprimeable number, because it can be changed into a prime (2111112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222776 + ... + 232058.

It is an arithmetic number, because the mean of its divisors is an integer number (265192818).

Almost surely, 2^2111112011 is an apocalyptic number.

2111112011 is a deficient number, since it is larger than the sum of its proper divisors (10430533).

2111112011 is an equidigital number, since it uses as much as digits as its factorization.

2111112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10381.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 2111112011 is about 45946.8389663533. The cubic root of 2111112011 is about 1282.8338927005.

Adding to 2111112011 its reverse (1102111112), we get a palindrome (3213223123).

The spelling of 2111112011 in words is "two billion, one hundred eleven million, one hundred twelve thousand, eleven".