10661212241 has 8 divisors (see below), whose sum is σ = 11361441024. Its totient is φ = 9980708320.

The previous prime is 10661212213. The next prime is 10661212273. The reversal of 10661212241 is 14221216601.

10661212241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10661212241 is a prime.

It is a super-2 number, since 2×10661212241² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10661212241.

It is not an unprimeable number, because it can be changed into a prime (10661217241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4930100 + ... + 4932261.

It is an arithmetic number, because the mean of its divisors is an integer number (1420180128).

Almost surely, 2^10661212241 is an apocalyptic number.

It is an amenable number.

10661212241 is a deficient number, since it is larger than the sum of its proper divisors (700228783).

10661212241 is an equidigital number, since it uses as much as digits as its factorization.

10661212241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9862431.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 10661212241 its reverse (14221216601), we get a palindrome (24882428842).

The spelling of 10661212241 in words is "ten billion, six hundred sixty-one million, two hundred twelve thousand, two hundred forty-one".