201111111092 has 12 divisors (see below), whose sum is σ = 352111178496. Its totient is φ = 100507917240.

The previous prime is 201111111043. The next prime is 201111111101. The reversal of 201111111092 is 290111111102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11900078 + ... + 11916965.

It is an arithmetic number, because the mean of its divisors is an integer number (29342598208).

Almost surely, 2^201111111092 is an apocalyptic number.

It is an amenable number.

201111111092 is a deficient number, since it is larger than the sum of its proper divisors (151000067404).

201111111092 is a wasteful number, since it uses less digits than its factorization.

201111111092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23819158 (or 23819156 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 201111111092 its reverse (290111111102), we get a palindrome (491222222194).

The spelling of 201111111092 in words is "two hundred one billion, one hundred eleven million, one hundred eleven thousand, ninety-two".