12120110220011 has 16 divisors (see below), whose sum is σ = 12321876211200. Its totient is φ = 11919611996448.

The previous prime is 12120110220007. The next prime is 12120110220061. The reversal of 12120110220011 is 11002201102121.

It is not a de Polignac number, because 12120110220011 - 2² = 12120110220007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120110220061) 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, 31941560 + ... + 32318778.

It is an arithmetic number, because the mean of its divisors is an integer number (770117263200).

Almost surely, 2^{12120110220011} is an apocalyptic number.

12120110220011 is a deficient number, since it is larger than the sum of its proper divisors (201765991189).

12120110220011 is a wasteful number, since it uses less digits than its factorization.

12120110220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378898.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12120110220011 its reverse (11002201102121), we get a palindrome (23122311322132).

The spelling of 12120110220011 in words is "twelve trillion, one hundred twenty billion, one hundred ten million, two hundred twenty thousand, eleven".