2102220121241 has 2 divisors, whose sum is σ = 2102220121242. Its totient is φ = 2102220121240.

The previous prime is 2102220121201. The next prime is 2102220121249. The reversal of 2102220121241 is 1421210222012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2057420165641 + 44799955600 = 1434371^2 + 211660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102220121241 - 2¹⁴ = 2102220104857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102220121249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051110060620 + 1051110060621.

It is an arithmetic number, because the mean of its divisors is an integer number (1051110060621).

Almost surely, 2^{2102220121241} is an apocalyptic number.

It is an amenable number.

2102220121241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102220121241 is an equidigital number, since it uses as much as digits as its factorization.

2102220121241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2102220121241 its reverse (1421210222012), we get a palindrome (3523430343253).

The spelling of 2102220121241 in words is "two trillion, one hundred two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred forty-one".