11103301203220 has 12 divisors (see below), whose sum is σ = 23316932526804. Its totient is φ = 4441320481280.

The previous prime is 11103301203191. The next prime is 11103301203223. The reversal of 11103301203220 is 2230210330111.

It can be written as a sum of positive squares in 2 ways, for example, as 5540958197776 + 5562343005444 = 2353924^2 + 2358462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103301203223) 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, 277582530061 + ... + 277582530100.

It is an arithmetic number, because the mean of its divisors is an integer number (1943077710567).

Almost surely, 2^{11103301203220} is an apocalyptic number.

11103301203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103301203220 is an abundant number, since it is smaller than the sum of its proper divisors (12213631323584).

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

11103301203220 is a wasteful number, since it uses less digits than its factorization.

11103301203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555165060170 (or 555165060168 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11103301203220 its reverse (2230210330111), we get a palindrome (13333511533331).

The spelling of 11103301203220 in words is "eleven trillion, one hundred three billion, three hundred one million, two hundred three thousand, two hundred twenty".