11112122002111 has 4 divisors (see below), whose sum is σ = 11966900617672. Its totient is φ = 10257343386552.

The previous prime is 11112122002027. The next prime is 11112122002159. The reversal of 11112122002111 is 11120022121111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11112122002111 - 2¹⁵ = 11112121969343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112122002711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427389307761 + ... + 427389307786.

It is an arithmetic number, because the mean of its divisors is an integer number (2991725154418).

Almost surely, 2^{11112122002111} is an apocalyptic number.

11112122002111 is a deficient number, since it is larger than the sum of its proper divisors (854778615561).

11112122002111 is an equidigital number, since it uses as much as digits as its factorization.

11112122002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854778615560.

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

Adding to 11112122002111 its reverse (11120022121111), we get a palindrome (22232144123222).

The spelling of 11112122002111 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-two million, two thousand, one hundred eleven".