201111101092 has 12 divisors (see below), whose sum is σ = 383939374896. Its totient is φ = 91414136840.

The previous prime is 201111101083. The next prime is 201111101171. The reversal of 201111101092 is 290101111102.

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, 2285353378 + ... + 2285353465.

It is an arithmetic number, because the mean of its divisors is an integer number (31994947908).

Almost surely, 2^201111101092 is an apocalyptic number.

201111101092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201111101092 is a deficient number, since it is larger than the sum of its proper divisors (182828273804).

201111101092 is a wasteful number, since it uses less digits than its factorization.

201111101092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570706858 (or 4570706856 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 201111101092 its reverse (290101111102), we get a palindrome (491212212194).

It can be divided in two parts, 2011111010 and 92, that added together give a palindrome (2011111102).

The spelling of 201111101092 in words is "two hundred one billion, one hundred eleven million, one hundred one thousand, ninety-two".