11121011112112 has 40 divisors (see below), whose sum is σ = 23738503955472. Its totient is φ = 5004955488000.

The previous prime is 11121011112103. The next prime is 11121011112149. The reversal of 11121011112112 is 21121111012111.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 312791943 + ... + 312827494.

Almost surely, 2^{11121011112112} is an apocalyptic number.

It is an amenable number.

11121011112112 is an abundant number, since it is smaller than the sum of its proper divisors (12617492843360).

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

11121011112112 is a wasteful number, since it uses less digits than its factorization.

11121011112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625619557 (or 625619551 counting only the distinct ones).

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

Adding to 11121011112112 its reverse (21121111012111), we get a palindrome (32242122124223).

The spelling of 11121011112112 in words is "eleven trillion, one hundred twenty-one billion, eleven million, one hundred twelve thousand, one hundred twelve".