2222132222021 has 4 divisors (see below), whose sum is σ = 2264059245132. Its totient is φ = 2180205198912.

The previous prime is 2222132222017. The next prime is 2222132222033. The reversal of 2222132222021 is 1202222312222.

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 1641242832100 + 580889389921 = 1281110^2 + 762161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222132222021 - 2² = 2222132222017 is a prime.

It is a super-2 number, since 2×2222132222021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222132222071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20963511476 + ... + 20963511581.

It is an arithmetic number, because the mean of its divisors is an integer number (566014811283).

Almost surely, 2^{2222132222021} is an apocalyptic number.

It is an amenable number.

2222132222021 is a deficient number, since it is larger than the sum of its proper divisors (41927023111).

2222132222021 is an equidigital number, since it uses as much as digits as its factorization.

2222132222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41927023110.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2222132222021 its reverse (1202222312222), we get a palindrome (3424354534243).

The spelling of 2222132222021 in words is "two trillion, two hundred twenty-two billion, one hundred thirty-two million, two hundred twenty-two thousand, twenty-one".