11111202220000 has 120 divisors (see below), whose sum is σ = 27360333072072. Its totient is φ = 4440398400000.

The previous prime is 11111202219917. The next prime is 11111202220021. The reversal of 11111202220000 is 2220211111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21565390 + ... + 22074610.

Almost surely, 2^{11111202220000} is an apocalyptic number.

11111202220000 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 11111202220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13680166536036).

11111202220000 is an abundant number, since it is smaller than the sum of its proper divisors (16249130852072).

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

11111202220000 is an equidigital number, since it uses as much as digits as its factorization.

11111202220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510342 (or 510319 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11111202220000 its reverse (2220211111), we get a palindrome (11113422431111).

The spelling of 11111202220000 in words is "eleven trillion, one hundred eleven billion, two hundred two million, two hundred twenty thousand".