120021020233 has 4 divisors (see below), whose sum is σ = 121209347268. Its totient is φ = 118832693200.

The previous prime is 120021020227. The next prime is 120021020291. The reversal of 120021020233 is 332020120021.

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 101600287504 + 18420732729 = 318748^2 + 135723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120021020233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021020293) 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 3 ways as a sum of consecutive naturals, for example, 594163366 + ... + 594163567.

It is an arithmetic number, because the mean of its divisors is an integer number (30302336817).

Almost surely, 2^120021020233 is an apocalyptic number.

It is an amenable number.

120021020233 is a deficient number, since it is larger than the sum of its proper divisors (1188327035).

120021020233 is a wasteful number, since it uses less digits than its factorization.

120021020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188327034.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120021020233 its reverse (332020120021), we get a palindrome (452041140254).

The spelling of 120021020233 in words is "one hundred twenty billion, twenty-one million, twenty thousand, two hundred thirty-three".