201121120111112 has 32 divisors (see below), whose sum is σ = 385824837859200. Its totient is φ = 98250374249664.

The previous prime is 201121120111099. The next prime is 201121120111117. The reversal of 201121120111112 is 211111021121102.

201121120111112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201121120111117) 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, 992246498 + ... + 992449169.

It is an arithmetic number, because the mean of its divisors is an integer number (12057026183100).

Almost surely, 2^{201121120111112} is an apocalyptic number.

It is an amenable number.

201121120111112 is a deficient number, since it is larger than the sum of its proper divisors (184703717748088).

201121120111112 is a wasteful number, since it uses less digits than its factorization.

201121120111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984695965 (or 1984695961 counting only the distinct ones).

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

Adding to 201121120111112 its reverse (211111021121102), we get a palindrome (412232141232214).

The spelling of 201121120111112 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred eleven thousand, one hundred twelve".