2112100022011 has 16 divisors (see below), whose sum is σ = 2442993815808. Its totient is φ = 1788499015200.

The previous prime is 2112100021973. The next prime is 2112100022041. The reversal of 2112100022011 is 1102200012112.

It is a cyclic number.

It is not a de Polignac number, because 2112100022011 - 2¹¹ = 2112100019963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112100021982 and 2112100022000.

It is not an unprimeable number, because it can be changed into a prime (2112100022041) 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, 28164876 + ... + 28239766.

It is an arithmetic number, because the mean of its divisors is an integer number (152687113488).

Almost surely, 2^{2112100022011} is an apocalyptic number.

2112100022011 is a deficient number, since it is larger than the sum of its proper divisors (330893793797).

2112100022011 is an equidigital number, since it uses as much as digits as its factorization.

2112100022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123522.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112100022011 its reverse (1102200012112), we get a palindrome (3214300034123).

The spelling of 2112100022011 in words is "two trillion, one hundred twelve billion, one hundred million, twenty-two thousand, eleven".