112001322031220 has 48 divisors (see below), whose sum is σ = 250007254252560. Its totient is φ = 42001136615424.

The previous prime is 112001322031211. The next prime is 112001322031223. The reversal of 112001322031220 is 22130223100211.

It can be written as a sum of positive squares in 8 ways, for example, as 12922630177636 + 99078691853584 = 3594806^2 + 9953828^2 .

It is a super-2 number, since 2×112001322031220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112001322031192 and 112001322031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001322031223) 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, 640799105 + ... + 640973864.

It is an arithmetic number, because the mean of its divisors is an integer number (5208484463595).

Almost surely, 2^{112001322031220} is an apocalyptic number.

112001322031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001322031220 is an abundant number, since it is smaller than the sum of its proper divisors (138005932221340).

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

112001322031220 is a wasteful number, since it uses less digits than its factorization.

112001322031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281773252 (or 1281773250 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 112001322031220 its reverse (22130223100211), we get a palindrome (134131545131431).

The spelling of 112001322031220 in words is "one hundred twelve trillion, one billion, three hundred twenty-two million, thirty-one thousand, two hundred twenty".