100002120241 has 2 divisors, whose sum is σ = 100002120242. Its totient is φ = 100002120240.

The previous prime is 100002120193. The next prime is 100002120287. The reversal of 100002120241 is 142021200001.

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., 78104039841 + 21898080400 = 279471^2 + 147980^2 .

It is a cyclic number.

It is not a de Polignac number, because 100002120241 - 2¹⁵ = 100002087473 is a prime.

It is not a weakly prime, because it can be changed into another prime (100002120041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001060120 + 50001060121.

It is an arithmetic number, because the mean of its divisors is an integer number (50001060121).

Almost surely, 2^100002120241 is an apocalyptic number.

It is an amenable number.

100002120241 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002120241 is an equidigital number, since it uses as much as digits as its factorization.

100002120241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100002120241 its reverse (142021200001), we get a palindrome (242023320242).

The spelling of 100002120241 in words is "one hundred billion, two million, one hundred twenty thousand, two hundred forty-one".