11103113041220 has 48 divisors (see below), whose sum is σ = 23680074999168. Its totient is φ = 4372185861120.

The previous prime is 11103113041219. The next prime is 11103113041249. The reversal of 11103113041220 is 2214031130111.

It is a super-2 number, since 2×11103113041220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11103113041192 and 11103113041201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4853474 + ... + 6764793.

It is an arithmetic number, because the mean of its divisors is an integer number (493334895816).

Almost surely, 2^{11103113041220} is an apocalyptic number.

11103113041220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103113041220 is an abundant number, since it is smaller than the sum of its proper divisors (12576961957948).

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

11103113041220 is a wasteful number, since it uses less digits than its factorization.

11103113041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11619020 (or 11619018 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11103113041220 its reverse (2214031130111), we get a palindrome (13317144171331).

The spelling of 11103113041220 in words is "eleven trillion, one hundred three billion, one hundred thirteen million, forty-one thousand, two hundred twenty".