201211112112211 has 4 divisors (see below), whose sum is σ = 203164618055152. Its totient is φ = 199257606169272.

The previous prime is 201211112112209. The next prime is 201211112112239. The reversal of 201211112112211 is 112211211112102.

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 201211112112211 - 2¹ = 201211112112209 is a prime.

It is a super-3 number, since 3×201211112112211³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201211112112271) 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, 976752971316 + ... + 976752971521.

It is an arithmetic number, because the mean of its divisors is an integer number (50791154513788).

Almost surely, 2^{201211112112211} is an apocalyptic number.

201211112112211 is a deficient number, since it is larger than the sum of its proper divisors (1953505942941).

201211112112211 is a wasteful number, since it uses less digits than its factorization.

201211112112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953505942940.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 201211112112211 its reverse (112211211112102), we get a palindrome (313422323224313).

The spelling of 201211112112211 in words is "two hundred one trillion, two hundred eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred eleven".