120440422011 has 24 divisors (see below), whose sum is σ = 198731792640. Its totient is φ = 63529011936.

The previous prime is 120440422007. The next prime is 120440422043. The reversal of 120440422011 is 110224044021.

It is not a de Polignac number, because 120440422011 - 2² = 120440422007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (120440422051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16964671 + ... + 16971768.

It is an arithmetic number, because the mean of its divisors is an integer number (8280491360).

Almost surely, 2^120440422011 is an apocalyptic number.

120440422011 is a deficient number, since it is larger than the sum of its proper divisors (78291370629).

120440422011 is a wasteful number, since it uses less digits than its factorization.

120440422011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33936475 (or 33936462 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 120440422011 its reverse (110224044021), we get a palindrome (230664466032).

The spelling of 120440422011 in words is "one hundred twenty billion, four hundred forty million, four hundred twenty-two thousand, eleven".