2112100111011 has 8 divisors (see below), whose sum is σ = 3072145616064. Its totient is φ = 1280060673320.

The previous prime is 2112100110979. The next prime is 2112100111073. The reversal of 2112100111011 is 1101110012112.

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

It is not a de Polignac number, because 2112100111011 - 2⁵ = 2112100110979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112100111081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32001516801 + ... + 32001516866.

It is an arithmetic number, because the mean of its divisors is an integer number (384018202008).

Almost surely, 2^{2112100111011} is an apocalyptic number.

2112100111011 is a deficient number, since it is larger than the sum of its proper divisors (960045505053).

2112100111011 is a wasteful number, since it uses less digits than its factorization.

2112100111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64003033681.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2112100111011 its reverse (1101110012112), we get a palindrome (3213210123123).

The spelling of 2112100111011 in words is "two trillion, one hundred twelve billion, one hundred million, one hundred eleven thousand, eleven".