1103010220520 has 32 divisors (see below), whose sum is σ = 2672678612520. Its totient is φ = 407265312000.

The previous prime is 1103010220513. The next prime is 1103010220531. The reversal of 1103010220520 is 250220103011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 714190629604 + 388819590916 = 845098^2 + 623554^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060586231 + ... + 1060587270.

Almost surely, 2^{1103010220520} is an apocalyptic number.

1103010220520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103010220520 is an abundant number, since it is smaller than the sum of its proper divisors (1569668392000).

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

1103010220520 is a wasteful number, since it uses less digits than its factorization.

1103010220520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121173525 (or 2121173521 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 1103010220520 its reverse (250220103011), we get a palindrome (1353230323531).

The spelling of 1103010220520 in words is "one trillion, one hundred three billion, ten million, two hundred twenty thousand, five hundred twenty".