120231110321111 has 16 divisors (see below), whose sum is σ = 128056033266624. Its totient is φ = 112489969089024.

The previous prime is 120231110321059. The next prime is 120231110321131. The reversal of 120231110321111 is 111123011132021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120231110321111 is a prime.

It is a super-3 number, since 3×120231110321111³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231110321131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20000945 + ... + 25308101.

It is an arithmetic number, because the mean of its divisors is an integer number (8003502079164).

Almost surely, 2^{120231110321111} is an apocalyptic number.

120231110321111 is a deficient number, since it is larger than the sum of its proper divisors (7824922945513).

120231110321111 is a wasteful number, since it uses less digits than its factorization.

120231110321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315050.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 120231110321111 its reverse (111123011132021), we get a palindrome (231354121453132).

The spelling of 120231110321111 in words is "one hundred twenty trillion, two hundred thirty-one billion, one hundred ten million, three hundred twenty-one thousand, one hundred eleven".