1000011131020 has 48 divisors (see below), whose sum is σ = 2291907750048. Its totient is φ = 363485941760.

The previous prime is 1000011131017. The next prime is 1000011131069. The reversal of 1000011131020 is 201311100001.

1000011131020 is digitally balanced in base 2, 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 (10).

It is a junction number, because it is equal to n+sod(n) for n = 1000011130988 and 1000011131006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445717 + ... + 1482796.

It is an arithmetic number, because the mean of its divisors is an integer number (47748078126).

Almost surely, 2^{1000011131020} is an apocalyptic number.

1000011131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000011131020 is an abundant number, since it is smaller than the sum of its proper divisors (1291896619028).

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

1000011131020 is a wasteful number, since it uses less digits than its factorization.

1000011131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930890 (or 1930888 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1000011131020 its reverse (201311100001), we get a palindrome (1201322231021).

The spelling of 1000011131020 in words is "one trillion, eleven million, one hundred thirty-one thousand, twenty".