21110001313010 has 16 divisors (see below), whose sum is σ = 38145854517336. Its totient is φ = 8411144491008.

The previous prime is 21110001312941. The next prime is 21110001313013. The reversal of 21110001313010 is 1031310001112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20190544705321 + 919456607689 = 4493389^2 + 958883^2 .

It is not an unprimeable number, because it can be changed into a prime (21110001313013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4107001577 + ... + 4107006716.

Almost surely, 2^{21110001313010} is an apocalyptic number.

21110001313010 is a deficient number, since it is larger than the sum of its proper divisors (17035853204326).

21110001313010 is a wasteful number, since it uses less digits than its factorization.

21110001313010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214008557.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 21110001313010 its reverse (1031310001112), we get a palindrome (22141311314122).

The spelling of 21110001313010 in words is "twenty-one trillion, one hundred ten billion, one million, three hundred thirteen thousand, ten".