11110011121220 has 48 divisors (see below), whose sum is σ = 25452278345088. Its totient is φ = 4039963906560.

The previous prime is 11110011121171. The next prime is 11110011121247. The reversal of 11110011121220 is 2212111001111.

It is a super-2 number, since 2×11110011121220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11110011121195 and 11110011121204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30479564 + ... + 30841916.

It is an arithmetic number, because the mean of its divisors is an integer number (530255798856).

Almost surely, 2^{11110011121220} is an apocalyptic number.

11110011121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110011121220 is an abundant number, since it is smaller than the sum of its proper divisors (14342267223868).

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

11110011121220 is a wasteful number, since it uses less digits than its factorization.

11110011121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501740 (or 501738 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11110011121220 its reverse (2212111001111), we get a palindrome (13322122122331).

The spelling of 11110011121220 in words is "eleven trillion, one hundred ten billion, eleven million, one hundred twenty-one thousand, two hundred twenty".