1011131233100 has 18 divisors (see below), whose sum is σ = 2194154776044. Its totient is φ = 404452493200.

The previous prime is 1011131233003. The next prime is 1011131233103. The reversal of 1011131233100 is 13321311101.

It is a super-2 number, since 2×1011131233100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011131233103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5055656066 + ... + 5055656265.

It is an arithmetic number, because the mean of its divisors is an integer number (121897487558).

Almost surely, 2^{1011131233100} is an apocalyptic number.

1011131233100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011131233100 is an abundant number, since it is smaller than the sum of its proper divisors (1183023542944).

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

1011131233100 is a wasteful number, since it uses less digits than its factorization.

1011131233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111312345 (or 10111312338 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1011131233100 its reverse (13321311101), we get a palindrome (1024452544201).

The spelling of 1011131233100 in words is "one trillion, eleven billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred".