112120211101220 has 24 divisors (see below), whose sum is σ = 269088506643264. Its totient is φ = 38441215234656.

The previous prime is 112120211101201. The next prime is 112120211101279. The reversal of 112120211101220 is 22101112021211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400429325222 + ... + 400429325501.

It is an arithmetic number, because the mean of its divisors is an integer number (11212021110136).

Almost surely, 2^{112120211101220} is an apocalyptic number.

112120211101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120211101220 is an abundant number, since it is smaller than the sum of its proper divisors (156968295542044).

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

112120211101220 is a wasteful number, since it uses less digits than its factorization.

112120211101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800858650739 (or 800858650737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112120211101220 its reverse (22101112021211), we get a palindrome (134221323122431).

The spelling of 112120211101220 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred eleven million, one hundred one thousand, two hundred twenty".