11211113023012 has 144 divisors (see below), whose sum is σ = 23232174188160. Its totient is φ = 4637015175168.

The previous prime is 11211113022997. The next prime is 11211113023031. The reversal of 11211113023012 is 21032031111211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2484179668 + ... + 2484184180.

Almost surely, 2^{11211113023012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211113023012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11616087094080).

11211113023012 is an abundant number, since it is smaller than the sum of its proper divisors (12021061165148).

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

11211113023012 is a wasteful number, since it uses less digits than its factorization.

11211113023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5071 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11211113023012 its reverse (21032031111211), we get a palindrome (32243144134223).

The spelling of 11211113023012 in words is "eleven trillion, two hundred eleven billion, one hundred thirteen million, twenty-three thousand, twelve".