221112212000111 has 8 divisors (see below), whose sum is σ = 221145614984160. Its totient is φ = 221078809733472.

The previous prime is 221112212000087. The next prime is 221112212000129. The reversal of 221112212000111 is 111000212211122.

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

It is a cyclic number.

It is not a de Polignac number, because 221112212000111 - 2¹⁰ = 221112211999087 is a prime.

It is a super-2 number, since 2×221112212000111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221112212000111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112212000191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235360621 + ... + 1235539593.

It is an arithmetic number, because the mean of its divisors is an integer number (27643201873020).

Almost surely, 2^{221112212000111} is an apocalyptic number.

221112212000111 is a deficient number, since it is larger than the sum of its proper divisors (33402984049).

221112212000111 is a wasteful number, since it uses less digits than its factorization.

221112212000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358705.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221112212000111 its reverse (111000212211122), we get a palindrome (332112424211233).

The spelling of 221112212000111 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred twelve million, one hundred eleven", and thus it is an aban number.