201111121210211 has 8 divisors (see below), whose sum is σ = 211696208568000. Its totient is φ = 190526063002920.

The previous prime is 201111121210201. The next prime is 201111121210247. The reversal of 201111121210211 is 112012121111102.

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

It is a cyclic number.

It is not a de Polignac number, because 201111121210211 - 2⁶ = 201111121210147 is a prime.

It is a super-3 number, since 3×201111121210211³ (a number of 44 digits) contains 333 as substring.

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 201111121210211.

It is not an unprimeable number, because it can be changed into a prime (201111121210201) 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, 7659740 + ... + 21468438.

It is an arithmetic number, because the mean of its divisors is an integer number (26462026071000).

Almost surely, 2^{201111121210211} is an apocalyptic number.

201111121210211 is a deficient number, since it is larger than the sum of its proper divisors (10585087357789).

201111121210211 is a wasteful number, since it uses less digits than its factorization.

201111121210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575249.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 201111121210211 its reverse (112012121111102), we get a palindrome (313123242321313).

The spelling of 201111121210211 in words is "two hundred one trillion, one hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, two hundred eleven".