21341113202330 has 16 divisors (see below), whose sum is σ = 38441981941704. Its totient is φ = 8530227908160.

The previous prime is 21341113202249. The next prime is 21341113202333. The reversal of 21341113202330 is 3320231114312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18153470754721 + 3187642447609 = 4260689^2 + 1785397^2 .

It is a super-2 number, since 2×21341113202330² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21341113202330.

It is not an unprimeable number, because it can be changed into a prime (21341113202333) 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, 777157181 + ... + 777184640.

Almost surely, 2^{21341113202330} is an apocalyptic number.

21341113202330 is a deficient number, since it is larger than the sum of its proper divisors (17100868739374).

21341113202330 is a wasteful number, since it uses less digits than its factorization.

21341113202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554343201.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21341113202330 its reverse (3320231114312), we get a palindrome (24661344316642).

The spelling of 21341113202330 in words is "twenty-one trillion, three hundred forty-one billion, one hundred thirteen million, two hundred two thousand, three hundred thirty".