20101224241 has 4 divisors (see below), whose sum is σ = 22972827712. Its totient is φ = 17229620772.

The previous prime is 20101224191. The next prime is 20101224257. The reversal of 20101224241 is 14242210102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20101224241 - 2⁷ = 20101224113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101224041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435801725 + ... + 1435801738.

It is an arithmetic number, because the mean of its divisors is an integer number (5743206928).

Almost surely, 2^20101224241 is an apocalyptic number.

It is an amenable number.

20101224241 is a deficient number, since it is larger than the sum of its proper divisors (2871603471).

20101224241 is an equidigital number, since it uses as much as digits as its factorization.

20101224241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871603470.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20101224241 its reverse (14242210102), we get a palindrome (34343434343).

The spelling of 20101224241 in words is "twenty billion, one hundred one million, two hundred twenty-four thousand, two hundred forty-one".