112001121222220 has 12 divisors (see below), whose sum is σ = 235202354566704. Its totient is φ = 44800448488880.

The previous prime is 112001121222157. The next prime is 112001121222253. The reversal of 112001121222220 is 22222121100211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800028030536 + ... + 2800028030575.

It is an arithmetic number, because the mean of its divisors is an integer number (19600196213892).

Almost surely, 2^{112001121222220} is an apocalyptic number.

112001121222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001121222220 is an abundant number, since it is smaller than the sum of its proper divisors (123201233344484).

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

112001121222220 is a wasteful number, since it uses less digits than its factorization.

112001121222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600056061120 (or 5600056061118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112001121222220 its reverse (22222121100211), we get a palindrome (134223242322431).

The spelling of 112001121222220 in words is "one hundred twelve trillion, one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty".