201100111122 has 16 divisors (see below), whose sum is σ = 402272458560. Its totient is φ = 67021330992.

The previous prime is 201100111099. The next prime is 201100111187. The reversal of 201100111122 is 221111001102.

It is a junction number, because it is equal to n+sod(n) for n = 201100111098 and 201100111107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973622 + ... + 3040497.

It is an arithmetic number, because the mean of its divisors is an integer number (25142028660).

Almost surely, 2^201100111122 is an apocalyptic number.

201100111122 is an abundant number, since it is smaller than the sum of its proper divisors (201172347438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201100111122 is a wasteful number, since it uses less digits than its factorization.

201100111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019697.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201100111122 its reverse (221111001102), we get a palindrome (422211112224).

The spelling of 201100111122 in words is "two hundred one billion, one hundred million, one hundred eleven thousand, one hundred twenty-two".