11123311310220 has 96 divisors (see below), whose sum is σ = 32965626919680. Its totient is φ = 2794574234880.

The previous prime is 11123311310203. The next prime is 11123311310273. The reversal of 11123311310220 is 2201311332111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26747502 + ... + 27160181.

It is an arithmetic number, because the mean of its divisors is an integer number (343391947080).

Almost surely, 2^{11123311310220} is an apocalyptic number.

11123311310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123311310220 is an abundant number, since it is smaller than the sum of its proper divisors (21842315609460).

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

11123311310220 is a wasteful number, since it uses less digits than its factorization.

11123311310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53907895 (or 53907893 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11123311310220 its reverse (2201311332111), we get a palindrome (13324622642331).

The spelling of 11123311310220 in words is "eleven trillion, one hundred twenty-three billion, three hundred eleven million, three hundred ten thousand, two hundred twenty".