12020110222111 has 16 divisors (see below), whose sum is σ = 12824701401600. Its totient is φ = 11226360263040.

The previous prime is 12020110222039. The next prime is 12020110222157. The reversal of 12020110222111 is 11122201102021.

It is not a de Polignac number, because 12020110222111 - 2⁷ = 12020110221983 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 (12020110222171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114208090 + ... + 114313288.

It is an arithmetic number, because the mean of its divisors is an integer number (801543837600).

Almost surely, 2^{12020110222111} is an apocalyptic number.

12020110222111 is a deficient number, since it is larger than the sum of its proper divisors (804591179489).

12020110222111 is a wasteful number, since it uses less digits than its factorization.

12020110222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156654.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12020110222111 its reverse (11122201102021), we get a palindrome (23142311324132).

The spelling of 12020110222111 in words is "twelve trillion, twenty billion, one hundred ten million, two hundred twenty-two thousand, one hundred eleven".