112120101001220 has 24 divisors (see below), whose sum is σ = 253563920726424. Its totient is φ = 41398191138816.

The previous prime is 112120101001211. The next prime is 112120101001253. The reversal of 112120101001220 is 22100101021211.

It can be written as a sum of positive squares in 4 ways, for example, as 5566466360896 + 106553634640324 = 2359336^2 + 10322482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112120101001195 and 112120101001204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215615578589 + ... + 215615579108.

It is an arithmetic number, because the mean of its divisors is an integer number (10565163363601).

Almost surely, 2^{112120101001220} is an apocalyptic number.

112120101001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120101001220 is an abundant number, since it is smaller than the sum of its proper divisors (141443819725204).

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

112120101001220 is a wasteful number, since it uses less digits than its factorization.

112120101001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431231157719 (or 431231157717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112120101001220 its reverse (22100101021211), we get a palindrome (134220202022431).

The spelling of 112120101001220 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred one million, one thousand, two hundred twenty".