201201112211 has 4 divisors (see below), whose sum is σ = 219492122424. Its totient is φ = 182910102000.

The previous prime is 201201112207. The next prime is 201201112249. The reversal of 201201112211 is 112211102102.

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

It is a cyclic number.

It is not a de Polignac number, because 201201112211 - 2² = 201201112207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201112261) 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, 9145505090 + ... + 9145505111.

It is an arithmetic number, because the mean of its divisors is an integer number (54873030606).

Almost surely, 2^201201112211 is an apocalyptic number.

201201112211 is a deficient number, since it is larger than the sum of its proper divisors (18291010213).

201201112211 is a wasteful number, since it uses less digits than its factorization.

201201112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291010212.

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

Adding to 201201112211 its reverse (112211102102), we get a palindrome (313412214313).

The spelling of 201201112211 in words is "two hundred one billion, two hundred one million, one hundred twelve thousand, two hundred eleven".