11112002221320 has 1536 divisors, whose sum is σ = 49967212538880. Its totient is φ = 2066778685440.

The previous prime is 11112002221297. The next prime is 11112002221321. The reversal of 11112002221320 is 2312220021111.

11112002221320 is a `hidden beast` number, since 1 + 1 + 1 + 120 + 0 + 2 + 221 + 320 = 666.

11112002221320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11112002221320² (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 = 11112002221293 and 11112002221302.

It is not an unprimeable number, because it can be changed into a prime (11112002221321) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4493327604 + ... + 4493330076.

It is an arithmetic number, because the mean of its divisors is an integer number (32530737330).

Almost surely, 2^{11112002221320} is an apocalyptic number.

11112002221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112002221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24983606269440).

11112002221320 is an abundant number, since it is smaller than the sum of its proper divisors (38855210317560).

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

11112002221320 is a wasteful number, since it uses less digits than its factorization.

11112002221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11112002221320 its reverse (2312220021111), we get a palindrome (13424222242431).

The spelling of 11112002221320 in words is "eleven trillion, one hundred twelve billion, two million, two hundred twenty-one thousand, three hundred twenty".