211201122200111 has 8 divisors (see below), whose sum is σ = 213280494588720. Its totient is φ = 209125439915392.

The previous prime is 211201122200071. The next prime is 211201122200113. The reversal of 211201122200111 is 111002221102112.

211201122200111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211201122200111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211201122200111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201122200113) 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, 922410941 + ... + 922639878.

It is an arithmetic number, because the mean of its divisors is an integer number (26660061823590).

Almost surely, 2^{211201122200111} is an apocalyptic number.

211201122200111 is a deficient number, since it is larger than the sum of its proper divisors (2079372388609).

211201122200111 is a wasteful number, since it uses less digits than its factorization.

211201122200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845051945.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211201122200111 its reverse (111002221102112), we get a palindrome (322203343302223).

The spelling of 211201122200111 in words is "two hundred eleven trillion, two hundred one billion, one hundred twenty-two million, two hundred thousand, one hundred eleven".