1103331110020 has 12 divisors (see below), whose sum is σ = 2316995331084. Its totient is φ = 441332444000.

The previous prime is 1103331110003. The next prime is 1103331110023. The reversal of 1103331110020 is 200111333011.

It can be written as a sum of positive squares in 2 ways, for example, as 534983993476 + 568347116544 = 731426^2 + 753888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1103331109976 and 1103331110003.

It is not an unprimeable number, because it can be changed into a prime (1103331110023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27583277731 + ... + 27583277770.

It is an arithmetic number, because the mean of its divisors is an integer number (193082944257).

Almost surely, 2^{1103331110020} is an apocalyptic number.

1103331110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103331110020 is an abundant number, since it is smaller than the sum of its proper divisors (1213664221064).

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

1103331110020 is a wasteful number, since it uses less digits than its factorization.

1103331110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55166555510 (or 55166555508 counting only the distinct ones).

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

Adding to 1103331110020 its reverse (200111333011), we get a palindrome (1303442443031).

The spelling of 1103331110020 in words is "one trillion, one hundred three billion, three hundred thirty-one million, one hundred ten thousand, twenty".