201120020112 has 80 divisors (see below), whose sum is σ = 568146136320. Its totient is φ = 60799939200.

The previous prime is 201120020111. The next prime is 201120020173. The reversal of 201120020112 is 211020021102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (201120020111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 233314 + ... + 675777.

It is an arithmetic number, because the mean of its divisors is an integer number (7101826704).

Almost surely, 2^201120020112 is an apocalyptic number.

201120020112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201120020112 is an abundant number, since it is smaller than the sum of its proper divisors (367026116208).

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

201120020112 is a wasteful number, since it uses less digits than its factorization.

201120020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909532 (or 909526 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201120020112 its reverse (211020021102), we get a palindrome (412140041214).

It can be divided in two parts, 2011200 and 20112, that multiplied together give a square (40449254400 = 201120²).

The spelling of 201120020112 in words is "two hundred one billion, one hundred twenty million, twenty thousand, one hundred twelve".