1131112302020 has 24 divisors (see below), whose sum is σ = 2478611306304. Its totient is φ = 432773402336.

The previous prime is 1131112302017. The next prime is 1131112302119. The reversal of 1131112302020 is 202032111311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131112302020.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1229469434 + ... + 1229470353.

It is an arithmetic number, because the mean of its divisors is an integer number (103275471096).

Almost surely, 2^{1131112302020} is an apocalyptic number.

1131112302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131112302020 is an abundant number, since it is smaller than the sum of its proper divisors (1347499004284).

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

1131112302020 is a wasteful number, since it uses less digits than its factorization.

1131112302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458939819 (or 2458939817 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1131112302020 its reverse (202032111311), we get a palindrome (1333144413331).

The spelling of 1131112302020 in words is "one trillion, one hundred thirty-one billion, one hundred twelve million, three hundred two thousand, twenty".