2221323321002 has 8 divisors (see below), whose sum is σ = 3527984098116. Its totient is φ = 1045328621632.

The previous prime is 2221323321001. The next prime is 2221323321023. The reversal of 2221323321002 is 2001233231222.

It can be written as a sum of positive squares in 2 ways, for example, as 2080053333121 + 141269987881 = 1442239^2 + 375859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2221323321001) 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, 32666519393 + ... + 32666519460.

Almost surely, 2^{2221323321002} is an apocalyptic number.

2221323321002 is a deficient number, since it is larger than the sum of its proper divisors (1306660777114).

2221323321002 is a wasteful number, since it uses less digits than its factorization.

2221323321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65333038872.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2221323321002 its reverse (2001233231222), we get a palindrome (4222556552224).

The spelling of 2221323321002 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, three hundred twenty-one thousand, two".