110131320121020 has 144 divisors (see below), whose sum is σ = 377932126336128. Its totient is φ = 26698501834560.

The previous prime is 110131320120907. The next prime is 110131320121063. The reversal of 110131320121020 is 20121023131011.

110131320121020 is a `hidden beast` number, since 1 + 1 + 0 + 131 + 320 + 1 + 210 + 2 + 0 = 666.

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 = 110131320120984 and 110131320121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1029981334 + ... + 1030088253.

It is an arithmetic number, because the mean of its divisors is an integer number (2624528655112).

Almost surely, 2^{110131320121020} is an apocalyptic number.

110131320121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110131320121020 is an abundant number, since it is smaller than the sum of its proper divisors (267800806215108).

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

110131320121020 is a wasteful number, since it uses less digits than its factorization.

110131320121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060069622 (or 2060069608 counting only the distinct ones).

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

Adding to 110131320121020 its reverse (20121023131011), we get a palindrome (130252343252031).

The spelling of 110131320121020 in words is "one hundred ten trillion, one hundred thirty-one billion, three hundred twenty million, one hundred twenty-one thousand, twenty".