22001132002321 has 4 divisors (see below), whose sum is σ = 22416247700532. Its totient is φ = 21586016304112.

The previous prime is 22001132002277. The next prime is 22001132002349. The reversal of 22001132002321 is 12320023110022.

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 16149861278721 + 5851270723600 = 4018689^2 + 2418940^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001132002321 - 2⁷ = 22001132002193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22007132002321) 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, 207557849026 + ... + 207557849131.

It is an arithmetic number, because the mean of its divisors is an integer number (5604061925133).

Almost surely, 2^{22001132002321} is an apocalyptic number.

It is an amenable number.

22001132002321 is a deficient number, since it is larger than the sum of its proper divisors (415115698211).

22001132002321 is an equidigital number, since it uses as much as digits as its factorization.

22001132002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415115698210.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22001132002321 its reverse (12320023110022), we get a palindrome (34321155112343).

The spelling of 22001132002321 in words is "twenty-two trillion, one billion, one hundred thirty-two million, two thousand, three hundred twenty-one".