11113201035221 has 2 divisors, whose sum is σ = 11113201035222. Its totient is φ = 11113201035220.

The previous prime is 11113201035197. The next prime is 11113201035239. The reversal of 11113201035221 is 12253010231111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7802580756100 + 3310620279121 = 2793310^2 + 1819511^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113201035221 - 2²² = 11113196840917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113201035271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556600517610 + 5556600517611.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600517611).

Almost surely, 2^{11113201035221} is an apocalyptic number.

It is an amenable number.

11113201035221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113201035221 is an equidigital number, since it uses as much as digits as its factorization.

11113201035221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 11113201035221 its reverse (12253010231111), we get a palindrome (23366211266332).

The spelling of 11113201035221 in words is "eleven trillion, one hundred thirteen billion, two hundred one million, thirty-five thousand, two hundred twenty-one".