120544445021 has 32 divisors (see below), whose sum is σ = 168886867968. Its totient is φ = 82935483840.

The previous prime is 120544445009. The next prime is 120544445039.

120544445021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120544445021 - 2¹⁴ = 120544428637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120544445321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2594891 + ... + 2640936.

It is an arithmetic number, because the mean of its divisors is an integer number (5277714624).

Almost surely, 2^120544445021 is an apocalyptic number.

120544445021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120544445021 is a deficient number, since it is larger than the sum of its proper divisors (48342422947).

120544445021 is a wasteful number, since it uses less digits than its factorization.

120544445021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235881.

The product of its (nonzero) digits is 25600, while the sum is 32.

It can be divided in two parts, 120544 and 445021, that added together give a palindrome (565565).

The spelling of 120544445021 in words is "one hundred twenty billion, five hundred forty-four million, four hundred forty-five thousand, twenty-one".