11213323123220 has 48 divisors (see below), whose sum is σ = 23968380377088. Its totient is φ = 4405952073600.

The previous prime is 11213323123193. The next prime is 11213323123229. The reversal of 11213323123220 is 2232132331211.

It is a self number, because there is not a number n which added to its sum of digits gives 11213323123220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213323123229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21598382 + ... + 22111461.

It is an arithmetic number, because the mean of its divisors is an integer number (499341257856).

Almost surely, 2^{11213323123220} is an apocalyptic number.

11213323123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213323123220 is an abundant number, since it is smaller than the sum of its proper divisors (12755057253868).

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

11213323123220 is a wasteful number, since it uses less digits than its factorization.

11213323123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710080 (or 43710078 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11213323123220 its reverse (2232132331211), we get a palindrome (13445455454431).

The spelling of 11213323123220 in words is "eleven trillion, two hundred thirteen billion, three hundred twenty-three million, one hundred twenty-three thousand, two hundred twenty".