201111100101112 has 64 divisors (see below), whose sum is σ = 392591432772000. Its totient is φ = 96466584485376.

The previous prime is 201111100101017. The next prime is 201111100101143. The reversal of 201111100101112 is 211101001111102.

It is a junction number, because it is equal to n+sod(n) for n = 201111100101092 and 201111100101101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18124314 + ... + 27031702.

Almost surely, 2^{201111100101112} is an apocalyptic number.

It is an amenable number.

201111100101112 is a deficient number, since it is larger than the sum of its proper divisors (191480332670888).

201111100101112 is a wasteful number, since it uses less digits than its factorization.

201111100101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908048 (or 8908044 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 201111100101112 its reverse (211101001111102), we get a palindrome (412212101212214).

The spelling of 201111100101112 in words is "two hundred one trillion, one hundred eleven billion, one hundred million, one hundred one thousand, one hundred twelve".