11013002220 has 192 divisors, whose sum is σ = 36204682752. Its totient is φ = 2471424000.

The previous prime is 11013002219. The next prime is 11013002249. The reversal of 11013002220 is 2220031011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11013002196 and 11013002205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 676375 + ... + 692465.

It is an arithmetic number, because the mean of its divisors is an integer number (188566056).

Almost surely, 2^11013002220 is an apocalyptic number.

11013002220 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 11013002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18102341376).

11013002220 is an abundant number, since it is smaller than the sum of its proper divisors (25191680532).

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

11013002220 is a wasteful number, since it uses less digits than its factorization.

11013002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16192 (or 16190 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11013002220 its reverse (2220031011), we get a palindrome (13233033231).

The spelling of 11013002220 in words is "eleven billion, thirteen million, two thousand, two hundred twenty".