1101331130020 has 96 divisors (see below), whose sum is σ = 2593123706880. Its totient is φ = 389512506240.

The previous prime is 1101331130017. The next prime is 1101331130021. The reversal of 1101331130020 is 200311331011.

It is a super-2 number, since 2×1101331130020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101331129976 and 1101331130003.

It is not an unprimeable number, because it can be changed into a prime (1101331130021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691567 + ... + 1637353.

It is an arithmetic number, because the mean of its divisors is an integer number (27011705280).

Almost surely, 2^{1101331130020} is an apocalyptic number.

1101331130020 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 1101331130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296561853440).

1101331130020 is an abundant number, since it is smaller than the sum of its proper divisors (1491792576860).

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

1101331130020 is a wasteful number, since it uses less digits than its factorization.

1101331130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945953 (or 945951 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1101331130020 its reverse (200311331011), we get a palindrome (1301642461031).

The spelling of 1101331130020 in words is "one trillion, one hundred one billion, three hundred thirty-one million, one hundred thirty thousand, twenty".