1112212011111 has 8 divisors (see below), whose sum is σ = 1560999313920. Its totient is φ = 702449691192.

The previous prime is 1112212011107. The next prime is 1112212011151. The reversal of 1112212011111 is 1111102122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112212011111 - 2² = 1112212011107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112212011151) 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 7 ways as a sum of consecutive naturals, for example, 9756245655 + ... + 9756245768.

It is an arithmetic number, because the mean of its divisors is an integer number (195124914240).

Almost surely, 2^{1112212011111} is an apocalyptic number.

1112212011111 is a deficient number, since it is larger than the sum of its proper divisors (448787302809).

1112212011111 is a wasteful number, since it uses less digits than its factorization.

1112212011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19512491445.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1112212011111 its reverse (1111102122111), we get a palindrome (2223314133222).

The spelling of 1112212011111 in words is "one trillion, one hundred twelve billion, two hundred twelve million, eleven thousand, one hundred eleven".