21030101241 has 8 divisors (see below), whose sum is σ = 28048085760. Its totient is φ = 14016092112.

The previous prime is 21030101237. The next prime is 21030101263. The reversal of 21030101241 is 14210103012.

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

It is not a de Polignac number, because 21030101241 - 2² = 21030101237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21030101241.

It is not an unprimeable number, because it can be changed into a prime (21030101291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981481 + ... + 1002678.

It is an arithmetic number, because the mean of its divisors is an integer number (3506010720).

Almost surely, 2^21030101241 is an apocalyptic number.

It is an amenable number.

21030101241 is a deficient number, since it is larger than the sum of its proper divisors (7017984519).

21030101241 is a wasteful number, since it uses less digits than its factorization.

21030101241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987695.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21030101241 its reverse (14210103012), we get a palindrome (35240204253).

The spelling of 21030101241 in words is "twenty-one billion, thirty million, one hundred one thousand, two hundred forty-one".