11023133311212 has 96 divisors (see below), whose sum is σ = 28182318232320. Its totient is φ = 3325665857280.

The previous prime is 11023133311181. The next prime is 11023133311237. The reversal of 11023133311212 is 21211333132011.

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 31 ways as a sum of consecutive naturals, for example, 52553698 + ... + 52763030.

It is an arithmetic number, because the mean of its divisors is an integer number (293565814920).

Almost surely, 2^{11023133311212} is an apocalyptic number.

11023133311212 is a gapful number since it is divisible by the number (12) 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 11023133311212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14091159116160).

11023133311212 is an abundant number, since it is smaller than the sum of its proper divisors (17159184921108).

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

11023133311212 is a wasteful number, since it uses less digits than its factorization.

11023133311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211103 (or 211101 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11023133311212 its reverse (21211333132011), we get a palindrome (32234466443223).

The spelling of 11023133311212 in words is "eleven trillion, twenty-three billion, one hundred thirty-three million, three hundred eleven thousand, two hundred twelve".