1103311244020 has 48 divisors (see below), whose sum is σ = 2328156426960. Its totient is φ = 439193862144.

The previous prime is 1103311243967. The next prime is 1103311244023. The reversal of 1103311244020 is 204421133011.

It can be written as a sum of positive squares in 8 ways, for example, as 109453782244 + 993857461776 = 330838^2 + 996924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1103311243982 and 1103311244000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103311244023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5394262 + ... + 5595058.

It is an arithmetic number, because the mean of its divisors is an integer number (48503258895).

Almost surely, 2^{1103311244020} is an apocalyptic number.

1103311244020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103311244020 is an abundant number, since it is smaller than the sum of its proper divisors (1224845182940).

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

1103311244020 is a wasteful number, since it uses less digits than its factorization.

1103311244020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202132 (or 202130 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1103311244020 its reverse (204421133011), we get a palindrome (1307732377031).

The spelling of 1103311244020 in words is "one trillion, one hundred three billion, three hundred eleven million, two hundred forty-four thousand, twenty".