211120211201 has 4 divisors (see below), whose sum is σ = 223539047172. Its totient is φ = 198701375232.

The previous prime is 211120211173. The next prime is 211120211261. The reversal of 211120211201 is 102112021112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180073771201 + 31046440000 = 424351^2 + 176200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211120211201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211120211261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6209417960 + ... + 6209417993.

It is an arithmetic number, because the mean of its divisors is an integer number (55884761793).

Almost surely, 2^211120211201 is an apocalyptic number.

It is an amenable number.

211120211201 is a deficient number, since it is larger than the sum of its proper divisors (12418835971).

211120211201 is a wasteful number, since it uses less digits than its factorization.

211120211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418835970.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211120211201 its reverse (102112021112), we get a palindrome (313232232313).

The spelling of 211120211201 in words is "two hundred eleven billion, one hundred twenty million, two hundred eleven thousand, two hundred one".