11211444404112 has 20 divisors (see below), whose sum is σ = 28962898044080. Its totient is φ = 3737148134688.

The previous prime is 11211444404023. The next prime is 11211444404143. The reversal of 11211444404112 is 21140444411211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11211444404112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116785879162 + ... + 116785879257.

It is an arithmetic number, because the mean of its divisors is an integer number (1448144902204).

Almost surely, 2^{11211444404112} is an apocalyptic number.

11211444404112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211444404112 is an abundant number, since it is smaller than the sum of its proper divisors (17751453639968).

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

11211444404112 is a wasteful number, since it uses less digits than its factorization.

11211444404112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233571758430 (or 233571758424 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

Adding to 11211444404112 its reverse (21140444411211), we get a palindrome (32351888815323).

The spelling of 11211444404112 in words is "eleven trillion, two hundred eleven billion, four hundred forty-four million, four hundred four thousand, one hundred twelve".