11323210012220 has 48 divisors (see below), whose sum is σ = 24029466755616. Its totient is φ = 4481583840000.

The previous prime is 11323210012207. The next prime is 11323210012241. The reversal of 11323210012220 is 2221001232311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11323210012192 and 11323210012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389350 + ... + 4957490.

It is an arithmetic number, because the mean of its divisors is an integer number (500613890742).

Almost surely, 2^{11323210012220} is an apocalyptic number.

11323210012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323210012220 is an abundant number, since it is smaller than the sum of its proper divisors (12706256743396).

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

11323210012220 is a wasteful number, since it uses less digits than its factorization.

11323210012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569822 (or 3569820 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11323210012220 its reverse (2221001232311), we get a palindrome (13544211244531).

The spelling of 11323210012220 in words is "eleven trillion, three hundred twenty-three billion, two hundred ten million, twelve thousand, two hundred twenty".