211100123201 has 16 divisors (see below), whose sum is σ = 235509534720. Its totient is φ = 187571526480.

The previous prime is 211100123191. The next prime is 211100123203. The reversal of 211100123201 is 102321001112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211100123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211100123203) 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, 105800 + ... + 658326.

It is an arithmetic number, because the mean of its divisors is an integer number (14719345920).

Almost surely, 2^211100123201 is an apocalyptic number.

It is an amenable number.

211100123201 is a deficient number, since it is larger than the sum of its proper divisors (24409411519).

211100123201 is a wasteful number, since it uses less digits than its factorization.

211100123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553324.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211100123201 its reverse (102321001112), we get a palindrome (313421124313).

The spelling of 211100123201 in words is "two hundred eleven billion, one hundred million, one hundred twenty-three thousand, two hundred one".