10132231322221 has 2 divisors, whose sum is σ = 10132231322222. Its totient is φ = 10132231322220.

The previous prime is 10132231322183. The next prime is 10132231322243. The reversal of 10132231322221 is 12222313223101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10122031332196 + 10199990025 = 3181514^2 + 100995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10132231322221 is a prime.

It is a super-2 number, since 2×10132231322221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10132231322321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066115661110 + 5066115661111.

It is an arithmetic number, because the mean of its divisors is an integer number (5066115661111).

Almost surely, 2^{10132231322221} is an apocalyptic number.

It is an amenable number.

10132231322221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10132231322221 is an equidigital number, since it uses as much as digits as its factorization.

10132231322221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10132231322221 its reverse (12222313223101), we get a palindrome (22354544545322).

The spelling of 10132231322221 in words is "ten trillion, one hundred thirty-two billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty-one".