113220131110020 has 240 divisors, whose sum is σ = 387795403550016. Its totient is φ = 27423860256000.

The previous prime is 113220131110019. The next prime is 113220131110039. The reversal of 113220131110020 is 20011131022311.

113220131110020 is a `hidden beast` number, since 1 + 1 + 32 + 201 + 311 + 100 + 20 = 666.

113220131110020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113220131109975 and 113220131110002.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18154350 + ... + 23580090.

Almost surely, 2^{113220131110020} is an apocalyptic number.

113220131110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113220131110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193897701775008).

113220131110020 is an abundant number, since it is smaller than the sum of its proper divisors (274575272439996).

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

113220131110020 is a wasteful number, since it uses less digits than its factorization.

113220131110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426944 (or 5426933 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113220131110020 its reverse (20011131022311), we get a palindrome (133231262132331).

The spelling of 113220131110020 in words is "one hundred thirteen trillion, two hundred twenty billion, one hundred thirty-one million, one hundred ten thousand, twenty".