11121213012112 has 40 divisors (see below), whose sum is σ = 24629775008192. Its totient is φ = 4765415068800.

The previous prime is 11121213012109. The next prime is 11121213012211. The reversal of 11121213012112 is 21121031212111.

It is a self number, because there is not a number n which added to its sum of digits gives 11121213012112.

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 7 ways as a sum of consecutive naturals, for example, 7877214 + ... + 9181117.

Almost surely, 2^{11121213012112} is an apocalyptic number.

It is an amenable number.

11121213012112 is an abundant number, since it is smaller than the sum of its proper divisors (13508561996080).

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

11121213012112 is a wasteful number, since it uses less digits than its factorization.

11121213012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17064167 (or 17064161 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11121213012112 its reverse (21121031212111), we get a palindrome (32242244224223).

The spelling of 11121213012112 in words is "eleven trillion, one hundred twenty-one billion, two hundred thirteen million, twelve thousand, one hundred twelve".