11211121011112 has 32 divisors (see below), whose sum is σ = 24280770107520. Its totient is φ = 4796201501440.

The previous prime is 11211121011107. The next prime is 11211121011157. The reversal of 11211121011112 is 21111012111211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3747030928 + ... + 3747033919.

It is an arithmetic number, because the mean of its divisors is an integer number (758774065860).

Almost surely, 2^{11211121011112} is an apocalyptic number.

It is an amenable number.

11211121011112 is an abundant number, since it is smaller than the sum of its proper divisors (13069649096408).

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

11211121011112 is a wasteful number, since it uses less digits than its factorization.

11211121011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494064881 (or 7494064877 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 11211121011112 its reverse (21111012111211), we get a palindrome (32322133122323).

The spelling of 11211121011112 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-one million, eleven thousand, one hundred twelve".