201211112 has 16 divisors (see below), whose sum is σ = 379587840. Its totient is φ = 99987696.

The previous prime is 201211097. The next prime is 201211139. The reversal of 201211112 is 211112102.

201211112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201211093 and 201211102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75848 + ... + 78455.

It is an arithmetic number, because the mean of its divisors is an integer number (23724240).

Almost surely, 2^201211112 is an apocalyptic number.

It is an amenable number.

201211112 is a deficient number, since it is larger than the sum of its proper divisors (178376728).

201211112 is a wasteful number, since it uses less digits than its factorization.

201211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154472 (or 154468 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 201211112 is about 14184.8902709891. The cubic root of 201211112 is about 585.9816105463.

Adding to 201211112 its reverse (211112102), we get a palindrome (412323214).

The spelling of 201211112 in words is "two hundred one million, two hundred eleven thousand, one hundred twelve".