120133303021 has 4 divisors (see below), whose sum is σ = 120149873532. Its totient is φ = 120116732512.

The previous prime is 120133303007. The next prime is 120133303049. The reversal of 120133303021 is 120303331021.

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 48624660100 + 71508642921 = 220510^2 + 267411^2 .

It is a cyclic number.

It is not a de Polignac number, because 120133303021 - 2²⁷ = 119999085293 is a prime.

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 120133303021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120133303051) 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, 8274376 + ... + 8288881.

It is an arithmetic number, because the mean of its divisors is an integer number (30037468383).

Almost surely, 2^120133303021 is an apocalyptic number.

It is an amenable number.

120133303021 is a deficient number, since it is larger than the sum of its proper divisors (16570511).

120133303021 is an equidigital number, since it uses as much as digits as its factorization.

120133303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16570510.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 120133303021 its reverse (120303331021), we get a palindrome (240436634042).

The spelling of 120133303021 in words is "one hundred twenty billion, one hundred thirty-three million, three hundred three thousand, twenty-one".