11122220011000 has 128 divisors (see below), whose sum is σ = 29750476354560. Its totient is φ = 3812501520000.

The previous prime is 11122220010983. The next prime is 11122220011081. The reversal of 11122220011000 is 11002222111.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32386189 + ... + 32727811.

It is an arithmetic number, because the mean of its divisors is an integer number (232425596520).

Almost surely, 2^{11122220011000} is an apocalyptic number.

11122220011000 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 11122220011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14875238177280).

11122220011000 is an abundant number, since it is smaller than the sum of its proper divisors (18628256343560).

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

11122220011000 is a wasteful number, since it uses less digits than its factorization.

11122220011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346302 (or 346288 counting only the distinct ones).

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

Adding to 11122220011000 its reverse (11002222111), we get a palindrome (11133222233111).

The spelling of 11122220011000 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty million, eleven thousand".