2234021021321 has 2 divisors, whose sum is σ = 2234021021322. Its totient is φ = 2234021021320.

The previous prime is 2234021021317. The next prime is 2234021021371. The reversal of 2234021021321 is 1231201204322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205952710025 + 28068311296 = 1485245^2 + 167536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2234021021321 - 2² = 2234021021317 is a prime.

It is not a weakly prime, because it can be changed into another prime (2234021021371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117010510660 + 1117010510661.

It is an arithmetic number, because the mean of its divisors is an integer number (1117010510661).

Almost surely, 2^{2234021021321} is an apocalyptic number.

It is an amenable number.

2234021021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2234021021321 is an equidigital number, since it uses as much as digits as its factorization.

2234021021321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2234021021321 its reverse (1231201204322), we get a palindrome (3465222225643).

The spelling of 2234021021321 in words is "two trillion, two hundred thirty-four billion, twenty-one million, twenty-one thousand, three hundred twenty-one".