120243221131111 has 16 divisors (see below), whose sum is σ = 130559132712960. Its totient is φ = 110082500327520.

The previous prime is 120243221131069. The next prime is 120243221131127. The reversal of 120243221131111 is 111131122342021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120243221131111 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 (120243261131111) 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, 58218055 + ... + 60248056.

It is an arithmetic number, because the mean of its divisors is an integer number (8159945794560).

Almost surely, 2^{120243221131111} is an apocalyptic number.

120243221131111 is a deficient number, since it is larger than the sum of its proper divisors (10315911581849).

120243221131111 is a wasteful number, since it uses less digits than its factorization.

120243221131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118466766.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 120243221131111 its reverse (111131122342021), we get a palindrome (231374343473132).

The spelling of 120243221131111 in words is "one hundred twenty trillion, two hundred forty-three billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred eleven".