2120221033 has 12 divisors (see below), whose sum is σ = 2481520080. Its totient is φ = 1806176232.

The previous prime is 2120221007. The next prime is 2120221043. The reversal of 2120221033 is 3301220212.

It is not a de Polignac number, because 2120221033 - 2²¹ = 2118123881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120220998 and 2120221016.

It is not an unprimeable number, because it can be changed into a prime (2120221043) 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 11 ways as a sum of consecutive naturals, for example, 124743 + ... + 140716.

It is an arithmetic number, because the mean of its divisors is an integer number (206793340).

Almost surely, 2^2120221033 is an apocalyptic number.

It is an amenable number.

2120221033 is a deficient number, since it is larger than the sum of its proper divisors (361299047).

2120221033 is a wasteful number, since it uses less digits than its factorization.

2120221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265636 (or 265629 counting only the distinct ones).

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

The square root of 2120221033 is about 46045.8579353236. The cubic root of 2120221033 is about 1284.6763017568.

Adding to 2120221033 its reverse (3301220212), we get a palindrome (5421441245).

The spelling of 2120221033 in words is "two billion, one hundred twenty million, two hundred twenty-one thousand, thirty-three".