201121111200211 has 16 divisors (see below), whose sum is σ = 203181981399936. Its totient is φ = 199063614306816.

The previous prime is 201121111200209. The next prime is 201121111200259. The reversal of 201121111200211 is 112002111121102.

It is a cyclic number.

It is not a de Polignac number, because 201121111200211 - 2¹ = 201121111200209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201121111200311) 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, 4950409480 + ... + 4950450106.

It is an arithmetic number, because the mean of its divisors is an integer number (12698873837496).

Almost surely, 2^{201121111200211} is an apocalyptic number.

201121111200211 is a deficient number, since it is larger than the sum of its proper divisors (2060870199725).

201121111200211 is a wasteful number, since it uses less digits than its factorization.

201121111200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80898.

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

Adding to 201121111200211 its reverse (112002111121102), we get a palindrome (313123222321313).

The spelling of 201121111200211 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred thousand, two hundred eleven".