11331121211112 has 64 divisors (see below), whose sum is σ = 28670198376960. Its totient is φ = 3731391172800.

The previous prime is 11331121211099. The next prime is 11331121211171. The reversal of 11331121211112 is 21111212113311.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60445287 + ... + 60632457.

It is an arithmetic number, because the mean of its divisors is an integer number (447971849640).

Almost surely, 2^{11331121211112} is an apocalyptic number.

11331121211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11331121211112 is an abundant number, since it is smaller than the sum of its proper divisors (17339077165848).

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

11331121211112 is a wasteful number, since it uses less digits than its factorization.

11331121211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217654 (or 217650 counting only the distinct ones).

The product of its digits is 72, while the sum is 21.

Adding to 11331121211112 its reverse (21111212113311), we get a palindrome (32442333324423).

The spelling of 11331121211112 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twelve".