120032210021 has 4 divisors (see below), whose sum is σ = 120034258572. Its totient is φ = 120030161472.

The previous prime is 120032209991. The next prime is 120032210033. The reversal of 120032210021 is 120012230021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97493193121 + 22539016900 = 312239^2 + 150130^2 .

It is a cyclic number.

It is not a de Polignac number, because 120032210021 - 2¹⁸ = 120031947877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120032209978 and 120032210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120032210321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933716 + ... + 1054461.

It is an arithmetic number, because the mean of its divisors is an integer number (30008564643).

Almost surely, 2^120032210021 is an apocalyptic number.

It is an amenable number.

120032210021 is a deficient number, since it is larger than the sum of its proper divisors (2048551).

120032210021 is an equidigital number, since it uses as much as digits as its factorization.

120032210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048550.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120032210021 its reverse (120012230021), we get a palindrome (240044440042).

The spelling of 120032210021 in words is "one hundred twenty billion, thirty-two million, two hundred ten thousand, twenty-one".