11112021011212 has 96 divisors (see below), whose sum is σ = 21949529817600. Its totient is φ = 4878503616000.

The previous prime is 11112021011171. The next prime is 11112021011213. The reversal of 11112021011212 is 21211012021111.

It is not an unprimeable number, because it can be changed into a prime (11112021011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154557489 + ... + 154629367.

It is an arithmetic number, because the mean of its divisors is an integer number (228640935600).

Almost surely, 2^{11112021011212} is an apocalyptic number.

It is an amenable number.

11112021011212 is a deficient number, since it is larger than the sum of its proper divisors (10837508806388).

11112021011212 is a wasteful number, since it uses less digits than its factorization.

11112021011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72847 (or 72845 counting only the distinct ones).

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

Adding to 11112021011212 its reverse (21211012021111), we get a palindrome (32323033032323).

The spelling of 11112021011212 in words is "eleven trillion, one hundred twelve billion, twenty-one million, eleven thousand, two hundred twelve".