221100087353 has 2 divisors, whose sum is σ = 221100087354. Its totient is φ = 221100087352.

The previous prime is 221100087343. The next prime is 221100087361. The reversal of 221100087353 is 353780001122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126701826304 + 94398261049 = 355952^2 + 307243^2 .

It is a cyclic number.

It is not a de Polignac number, because 221100087353 - 2¹⁶ = 221100021817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (221100087343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550043676 + 110550043677.

It is an arithmetic number, because the mean of its divisors is an integer number (110550043677).

Almost surely, 2^221100087353 is an apocalyptic number.

It is an amenable number.

221100087353 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100087353 is an equidigital number, since it uses as much as digits as its factorization.

221100087353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 221100087353 its reverse (353780001122), we get a palindrome (574880088475).

The spelling of 221100087353 in words is "two hundred twenty-one billion, one hundred million, eighty-seven thousand, three hundred fifty-three".