2201111221241 has 2 divisors, whose sum is σ = 2201111221242. Its totient is φ = 2201111221240.

The previous prime is 2201111221097. The next prime is 2201111221249. The reversal of 2201111221241 is 1421221111022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1484447387641 + 716663833600 = 1218379^2 + 846560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201111221241 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 (2201111221249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100555610620 + 1100555610621.

It is an arithmetic number, because the mean of its divisors is an integer number (1100555610621).

Almost surely, 2^{2201111221241} is an apocalyptic number.

It is an amenable number.

2201111221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201111221241 is an equidigital number, since it uses as much as digits as its factorization.

2201111221241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 2201111221241 its reverse (1421221111022), we get a palindrome (3622332332263).

The spelling of 2201111221241 in words is "two trillion, two hundred one billion, one hundred eleven million, two hundred twenty-one thousand, two hundred forty-one".