112111201210020 has 48 divisors (see below), whose sum is σ = 313912076825088. Its totient is φ = 29896252376320.

The previous prime is 112111201209991. The next prime is 112111201210027. The reversal of 112111201210020 is 20012102111211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (112111201210027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28037197 + ... + 31785323.

It is an arithmetic number, because the mean of its divisors is an integer number (6539834933856).

Almost surely, 2^{112111201210020} is an apocalyptic number.

112111201210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111201210020 is an abundant number, since it is smaller than the sum of its proper divisors (201800875615068).

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

112111201210020 is a wasteful number, since it uses less digits than its factorization.

112111201210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246660 (or 4246658 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112111201210020 its reverse (20012102111211), we get a palindrome (132123303321231).

The spelling of 112111201210020 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred one million, two hundred ten thousand, twenty".