112220121223120 has 40 divisors (see below), whose sum is σ = 276259533720264. Its totient is φ = 42247575048192.

The previous prime is 112220121223087. The next prime is 112220121223123. The reversal of 112220121223120 is 21322121022211.

It can be written as a sum of positive squares in 4 ways, for example, as 13742204874304 + 98477916348816 = 3707048^2 + 9923604^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 112220121223091 and 112220121223100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220121223123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41257396149 + ... + 41257398868.

Almost surely, 2^{112220121223120} is an apocalyptic number.

112220121223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220121223120 is an abundant number, since it is smaller than the sum of its proper divisors (164039412497144).

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

112220121223120 is a wasteful number, since it uses less digits than its factorization.

112220121223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82514795047 (or 82514795041 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 112220121223120 its reverse (21322121022211), we get a palindrome (133542242245331).

The spelling of 112220121223120 in words is "one hundred twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred twenty".