1011131033020 has 48 divisors (see below), whose sum is σ = 2248367133600. Its totient is φ = 380646273024.

The previous prime is 1011131032987. The next prime is 1011131033039. The reversal of 1011131033020 is 203301311101.

It is a junction number, because it is equal to n+sod(n) for n = 1011131032985 and 1011131033003.

It is a congruent number.

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, 13033987 + ... + 13111333.

It is an arithmetic number, because the mean of its divisors is an integer number (46840981950).

Almost surely, 2^{1011131033020} is an apocalyptic number.

1011131033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011131033020 is an abundant number, since it is smaller than the sum of its proper divisors (1237236100580).

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

1011131033020 is a wasteful number, since it uses less digits than its factorization.

1011131033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115822 (or 115820 counting only the distinct ones).

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

Adding to 1011131033020 its reverse (203301311101), we get a palindrome (1214432344121).

The spelling of 1011131033020 in words is "one trillion, eleven billion, one hundred thirty-one million, thirty-three thousand, twenty".