2001102100241 has 2 divisors, whose sum is σ = 2001102100242. Its totient is φ = 2001102100240.

The previous prime is 2001102100219. The next prime is 2001102100247. The reversal of 2001102100241 is 1420012011002.

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., 1409016480400 + 592085619841 = 1187020^2 + 769471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001102100241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001102100247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000551050120 + 1000551050121.

It is an arithmetic number, because the mean of its divisors is an integer number (1000551050121).

Almost surely, 2^{2001102100241} is an apocalyptic number.

It is an amenable number.

2001102100241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001102100241 is an equidigital number, since it uses as much as digits as its factorization.

2001102100241 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 14.

Adding to 2001102100241 its reverse (1420012011002), we get a palindrome (3421114111243).

The spelling of 2001102100241 in words is "two trillion, one billion, one hundred two million, one hundred thousand, two hundred forty-one".