221240011417 has 2 divisors, whose sum is σ = 221240011418. Its totient is φ = 221240011416.

The previous prime is 221240011411. The next prime is 221240011483. The reversal of 221240011417 is 714110042122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216470589696 + 4769421721 = 465264^2 + 69061^2 .

It is a cyclic number.

It is not a de Polignac number, because 221240011417 - 2¹¹ = 221240009369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221240011391 and 221240011400.

It is not a weakly prime, because it can be changed into another prime (221240011411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110620005708 + 110620005709.

It is an arithmetic number, because the mean of its divisors is an integer number (110620005709).

Almost surely, 2^221240011417 is an apocalyptic number.

It is an amenable number.

221240011417 is a deficient number, since it is larger than the sum of its proper divisors (1).

221240011417 is an equidigital number, since it uses as much as digits as its factorization.

221240011417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 221240011417 its reverse (714110042122), we get a palindrome (935350053539).

The spelling of 221240011417 in words is "two hundred twenty-one billion, two hundred forty million, eleven thousand, four hundred seventeen".