211200111002111 has 32 divisors (see below), whose sum is σ = 266713274542080. Its totient is φ = 162448260998400.

The previous prime is 211200111002099. The next prime is 211200111002149. The reversal of 211200111002111 is 111200111002112.

It is a cyclic number.

It is not a de Polignac number, because 211200111002111 - 2¹⁴ = 211200110985727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200111002161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20399741 + ... + 28957721.

It is an arithmetic number, because the mean of its divisors is an integer number (8334789829440).

Almost surely, 2^{211200111002111} is an apocalyptic number.

211200111002111 is a deficient number, since it is larger than the sum of its proper divisors (55513163539969).

211200111002111 is a wasteful number, since it uses less digits than its factorization.

211200111002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562135.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211200111002111 its reverse (111200111002112), we get a palindrome (322400222004223).

Subtracting from 211200111002111 its reverse (111200111002112), we obtain a palindrome (99999999999999).

It can be divided in two parts, 21120011 and 1002111, that added together give a palindrome (22122122).

The spelling of 211200111002111 in words is "two hundred eleven trillion, two hundred billion, one hundred eleven million, two thousand, one hundred eleven".