11112002222220 has 60 divisors (see below), whose sum is σ = 34858762531824. Its totient is φ = 2963200592160.

The previous prime is 11112002222203. The next prime is 11112002222249. The reversal of 11112002222220 is 2222220021111.

It is a happy number.

11112002222220 is a `hidden beast` number, since 11 + 11 + 200 + 2 + 222 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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 = 11112002222193 and 11112002222202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3429628696 + ... + 3429631935.

Almost surely, 2^{11112002222220} is an apocalyptic number.

11112002222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112002222220 is an abundant number, since it is smaller than the sum of its proper divisors (23746760309604).

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

11112002222220 is a wasteful number, since it uses less digits than its factorization.

11112002222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859260652 (or 6859260641 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11112002222220 its reverse (2222220021111), we get a palindrome (13334222243331).

The spelling of 11112002222220 in words is "eleven trillion, one hundred twelve billion, two million, two hundred twenty-two thousand, two hundred twenty".