111020202012241 has 2 divisors, whose sum is σ = 111020202012242. Its totient is φ = 111020202012240.

The previous prime is 111020202012191. The next prime is 111020202012329. The reversal of 111020202012241 is 142210202020111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103185045264016 + 7835156748225 = 10158004^2 + 2799135^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020202012241 - 2⁷ = 111020202012113 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020202012641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510101006120 + 55510101006121.

It is an arithmetic number, because the mean of its divisors is an integer number (55510101006121).

Almost surely, 2^{111020202012241} is an apocalyptic number.

It is an amenable number.

111020202012241 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020202012241 is an equidigital number, since it uses as much as digits as its factorization.

111020202012241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111020202012241 its reverse (142210202020111), we get a palindrome (253230404032352).

The spelling of 111020202012241 in words is "one hundred eleven trillion, twenty billion, two hundred two million, twelve thousand, two hundred forty-one".