120031232111 has 32 divisors (see below), whose sum is σ = 145566720000. Its totient is φ = 96682228992.

The previous prime is 120031232059. The next prime is 120031232119. The reversal of 120031232111 is 111232130021.

It is not a de Polignac number, because 120031232111 - 2¹⁰ = 120031231087 is a prime.

It is a super-3 number, since 3×120031232111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120031232111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031232119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16028210 + ... + 16035696.

It is an arithmetic number, because the mean of its divisors is an integer number (4548960000).

Almost surely, 2^120031232111 is an apocalyptic number.

120031232111 is a deficient number, since it is larger than the sum of its proper divisors (25535487889).

120031232111 is a wasteful number, since it uses less digits than its factorization.

120031232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120031232111 its reverse (111232130021), we get a palindrome (231263362132).

The spelling of 120031232111 in words is "one hundred twenty billion, thirty-one million, two hundred thirty-two thousand, one hundred eleven".