120444310021 has 32 divisors (see below), whose sum is σ = 147505121280. Its totient is φ = 95997696000.

The previous prime is 120444309989. The next prime is 120444310027. The reversal of 120444310021 is 120013444021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120444310021 - 2⁵ = 120444309989 is a prime.

It is a super-2 number, since 2×120444310021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120444309974 and 120444310001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120444310027) 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, 5746641 + ... + 5767561.

It is an arithmetic number, because the mean of its divisors is an integer number (4609535040).

Almost surely, 2^120444310021 is an apocalyptic number.

It is an amenable number.

120444310021 is a deficient number, since it is larger than the sum of its proper divisors (27060811259).

120444310021 is a wasteful number, since it uses less digits than its factorization.

120444310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21525.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 120444310021 its reverse (120013444021), we get a palindrome (240457754042).

The spelling of 120444310021 in words is "one hundred twenty billion, four hundred forty-four million, three hundred ten thousand, twenty-one".