21010104341 has 4 divisors (see below), whose sum is σ = 21017805900. Its totient is φ = 21002402784.

The previous prime is 21010104337. The next prime is 21010104389. The reversal of 21010104341 is 14340101012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12481581841 + 8528522500 = 111721^2 + 92350^2 .

It is a cyclic number.

It is not a de Polignac number, because 21010104341 - 2² = 21010104337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010104301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846686 + ... + 3852143.

It is an arithmetic number, because the mean of its divisors is an integer number (5254451475).

Almost surely, 2^21010104341 is an apocalyptic number.

It is an amenable number.

21010104341 is a deficient number, since it is larger than the sum of its proper divisors (7701559).

21010104341 is an equidigital number, since it uses as much as digits as its factorization.

21010104341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701558.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21010104341 its reverse (14340101012), we get a palindrome (35350205353).

The spelling of 21010104341 in words is "twenty-one billion, ten million, one hundred four thousand, three hundred forty-one".