11310003122220 has 144 divisors (see below), whose sum is σ = 38437337641248. Its totient is φ = 2667715706880.

The previous prime is 11310003122191. The next prime is 11310003122221. The reversal of 11310003122220 is 2222130001311.

11310003122220 is a `hidden beast` number, since 1 + 1 + 310 + 0 + 0 + 312 + 22 + 20 = 666.

It is a super-2 number, since 2×11310003122220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11310003122193 and 11310003122202.

It is not an unprimeable number, because it can be changed into a prime (11310003122221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77117589 + ... + 77264108.

It is an arithmetic number, because the mean of its divisors is an integer number (266925955842).

Almost surely, 2^{11310003122220} is an apocalyptic number.

11310003122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11310003122220 is an abundant number, since it is smaller than the sum of its proper divisors (27127334519028).

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

11310003122220 is a wasteful number, since it uses less digits than its factorization.

11310003122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154381760 (or 154381755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11310003122220 its reverse (2222130001311), we get a palindrome (13532133123531).

The spelling of 11310003122220 in words is "eleven trillion, three hundred ten billion, three million, one hundred twenty-two thousand, two hundred twenty".