12220221112111 has 8 divisors (see below), whose sum is σ = 12651187817664. Its totient is φ = 11796377823360.

The previous prime is 12220221112031. The next prime is 12220221112159. The reversal of 12220221112111 is 11121112202221.

It is a happy number.

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 12220221112111 - 2¹¹ = 12220221110063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220221112811) 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, 1780850710 + ... + 1780857571.

It is an arithmetic number, because the mean of its divisors is an integer number (1581398477208).

Almost surely, 2^{12220221112111} is an apocalyptic number.

12220221112111 is a deficient number, since it is larger than the sum of its proper divisors (430966705553).

12220221112111 is an equidigital number, since it uses as much as digits as its factorization.

12220221112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561708401.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12220221112111 its reverse (11121112202221), we get a palindrome (23341333314332).

The spelling of 12220221112111 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, one hundred eleven".