112211122120220 has 24 divisors (see below), whose sum is σ = 241123434511344. Its totient is φ = 43840624455936.

The previous prime is 112211122120193. The next prime is 112211122120261. The reversal of 112211122120220 is 22021221112211.

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 = 112211122120192 and 112211122120201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65239023629 + ... + 65239025348.

It is an arithmetic number, because the mean of its divisors is an integer number (10046809771306).

Almost surely, 2^{112211122120220} is an apocalyptic number.

112211122120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211122120220 is an abundant number, since it is smaller than the sum of its proper divisors (128912312391124).

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

112211122120220 is a wasteful number, since it uses less digits than its factorization.

112211122120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130478049029 (or 130478049027 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112211122120220 its reverse (22021221112211), we get a palindrome (134232343232431).

The spelling of 112211122120220 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twenty".