11121230000 has 100 divisors (see below), whose sum is σ = 28509905160. Its totient is φ = 4186752000.

The previous prime is 11121229963. The next prime is 11121230027. The reversal of 11121230000 is 3212111.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137291 + ... + 202709.

Almost surely, 2^11121230000 is an apocalyptic number.

11121230000 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 11121230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14254952580).

11121230000 is an abundant number, since it is smaller than the sum of its proper divisors (17388675160).

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

11121230000 is an equidigital number, since it uses as much as digits as its factorization.

11121230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65464 (or 65443 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11121230000 its reverse (3212111), we get a palindrome (11124442111).

The spelling of 11121230000 in words is "eleven billion, one hundred twenty-one million, two hundred thirty thousand".