2220133021 has 4 divisors (see below), whose sum is σ = 2221664544. Its totient is φ = 2218601500.

The previous prime is 2220132997. The next prime is 2220133051. The reversal of 2220133021 is 1203310222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220133021 - 2⁵ = 2220132989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220132986 and 2220133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220133051) 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 3 ways as a sum of consecutive naturals, for example, 763585 + ... + 766486.

It is an arithmetic number, because the mean of its divisors is an integer number (555416136).

Almost surely, 2^2220133021 is an apocalyptic number.

It is an amenable number.

2220133021 is a deficient number, since it is larger than the sum of its proper divisors (1531523).

2220133021 is a wasteful number, since it uses less digits than its factorization.

2220133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531522.

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

The square root of 2220133021 is about 47118.2875431610. The cubic root of 2220133021 is about 1304.5468048536.

Adding to 2220133021 its reverse (1203310222), we get a palindrome (3423443243).

The spelling of 2220133021 in words is "two billion, two hundred twenty million, one hundred thirty-three thousand, twenty-one".