20112220101241 has 2 divisors, whose sum is σ = 20112220101242. Its totient is φ = 20112220101240.

The previous prime is 20112220101209. The next prime is 20112220101247. The reversal of 20112220101241 is 14210102221102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17343893160000 + 2768326941241 = 4164600^2 + 1663829^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112220101241 - 2⁵ = 20112220101209 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112220101247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056110050620 + 10056110050621.

It is an arithmetic number, because the mean of its divisors is an integer number (10056110050621).

Almost surely, 2^{20112220101241} is an apocalyptic number.

It is an amenable number.

20112220101241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112220101241 is an equidigital number, since it uses as much as digits as its factorization.

20112220101241 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 19.

Adding to 20112220101241 its reverse (14210102221102), we get a palindrome (34322322322343).

The spelling of 20112220101241 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, one hundred one thousand, two hundred forty-one".