112120021201020 has 144 divisors (see below), whose sum is σ = 365194780489728. Its totient is φ = 25627162942080.

The previous prime is 112120021200983. The next prime is 112120021201033. The reversal of 112120021201020 is 20102120021211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448586685 + ... + 448836555.

It is an arithmetic number, because the mean of its divisors is an integer number (2536074864512).

Almost surely, 2^{112120021201020} is an apocalyptic number.

112120021201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120021201020 is an abundant number, since it is smaller than the sum of its proper divisors (253074759288708).

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

112120021201020 is a wasteful number, since it uses less digits than its factorization.

112120021201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402520 (or 402511 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112120021201020 its reverse (20102120021211), we get a palindrome (132222141222231).

The spelling of 112120021201020 in words is "one hundred twelve trillion, one hundred twenty billion, twenty-one million, two hundred one thousand, twenty".