11213231100000 has 288 divisors, whose sum is σ = 37785450138912. Its totient is φ = 2909376000000.

The previous prime is 11213231099981. The next prime is 11213231100023. The reversal of 11213231100000 is 113231211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10594900 + ... + 11605100.

It is an arithmetic number, because the mean of its divisors is an integer number (131199479649).

Almost surely, 2^{11213231100000} is an apocalyptic number.

11213231100000 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 11213231100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18892725069456).

11213231100000 is an abundant number, since it is smaller than the sum of its proper divisors (26572219038912).

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

11213231100000 is an equidigital number, since it uses as much as digits as its factorization.

11213231100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010276 (or 1010248 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11213231100000 its reverse (113231211), we get a palindrome (11213344331211).

The spelling of 11213231100000 in words is "eleven trillion, two hundred thirteen billion, two hundred thirty-one million, one hundred thousand".