11112211220000 has 120 divisors (see below), whose sum is σ = 29822953062672. Its totient is φ = 4040804000000.

The previous prime is 11112211219997. The next prime is 11112211220021. The reversal of 11112211220000 is 2211221111.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25035026 + ... + 25475025.

Almost surely, 2^{11112211220000} is an apocalyptic number.

11112211220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112211220000 is an abundant number, since it is smaller than the sum of its proper divisors (18710741842672).

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

11112211220000 is an equidigital number, since it uses as much as digits as its factorization.

11112211220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50510092 (or 50510069 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112211220000 its reverse (2211221111), we get a palindrome (11114422441111).

The spelling of 11112211220000 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty thousand".