201112110020 has 48 divisors (see below), whose sum is σ = 437334847488. Its totient is φ = 77604190080.

The previous prime is 201112110011. The next prime is 201112110037. The reversal of 201112110020 is 20011211102.

It is a junction number, because it is equal to n+sod(n) for n = 201112109983 and 201112110010.

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, 315092 + ... + 708171.

It is an arithmetic number, because the mean of its divisors is an integer number (9111142656).

Almost surely, 2^201112110020 is an apocalyptic number.

201112110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112110020 is an abundant number, since it is smaller than the sum of its proper divisors (236222737468).

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

201112110020 is a wasteful number, since it uses less digits than its factorization.

201112110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023620 (or 1023618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201112110020 its reverse (20011211102), we get a palindrome (221123321122).

The spelling of 201112110020 in words is "two hundred one billion, one hundred twelve million, one hundred ten thousand, twenty".