201112110110020 has 12 divisors (see below), whose sum is σ = 422335431231084. Its totient is φ = 80444844044000.

The previous prime is 201112110109949. The next prime is 201112110110071. The reversal of 201112110110020 is 20011011211102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92717525452036 + 108394584657984 = 9628994^2 + 10411272^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027802752731 + ... + 5027802752770.

It is an arithmetic number, because the mean of its divisors is an integer number (35194619269257).

Almost surely, 2^{201112110110020} is an apocalyptic number.

201112110110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112110110020 is an abundant number, since it is smaller than the sum of its proper divisors (221223321121064).

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

201112110110020 is a wasteful number, since it uses less digits than its factorization.

201112110110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055605505510 (or 10055605505508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201112110110020 its reverse (20011011211102), we get a palindrome (221123121321122).

The spelling of 201112110110020 in words is "two hundred one trillion, one hundred twelve billion, one hundred ten million, one hundred ten thousand, twenty".