11011000132220 has 96 divisors (see below), whose sum is σ = 25285604198400. Its totient is φ = 3994417324800.

The previous prime is 11011000132219. The next prime is 11011000132259. The reversal of 11011000132220 is 2223100011011.

It is a junction number, because it is equal to n+sod(n) for n = 11011000132195 and 11011000132204.

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, 388943426 + ... + 388971734.

It is an arithmetic number, because the mean of its divisors is an integer number (263391710400).

Almost surely, 2^{11011000132220} is an apocalyptic number.

11011000132220 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 11011000132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12642802099200).

11011000132220 is an abundant number, since it is smaller than the sum of its proper divisors (14274604066180).

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

11011000132220 is a wasteful number, since it uses less digits than its factorization.

11011000132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32499 (or 32497 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11011000132220 its reverse (2223100011011), we get a palindrome (13234100143231).

The spelling of 11011000132220 in words is "eleven trillion, eleven billion, one hundred thirty-two thousand, two hundred twenty".