11112110021212 has 48 divisors (see below), whose sum is σ = 20590431523200. Its totient is φ = 5238222978240.

The previous prime is 11112110021209. The next prime is 11112110021267. The reversal of 11112110021212 is 21212001121111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17337787 + ... + 17967277.

It is an arithmetic number, because the mean of its divisors is an integer number (428967323400).

Almost surely, 2^{11112110021212} is an apocalyptic number.

It is an amenable number.

11112110021212 is a deficient number, since it is larger than the sum of its proper divisors (9478321501988).

11112110021212 is a wasteful number, since it uses less digits than its factorization.

11112110021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633106 (or 633104 counting only the distinct ones).

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

Adding to 11112110021212 its reverse (21212001121111), we get a palindrome (32324111142323).

The spelling of 11112110021212 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, twenty-one thousand, two hundred twelve".