21113004242310 has 32 divisors (see below), whose sum is σ = 50672967593472. Its totient is φ = 5629939196640.

The previous prime is 21113004242257. The next prime is 21113004242311. The reversal of 21113004242310 is 1324240031112.

It is a super-2 number, since 2×21113004242310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113004242311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11323806 + ... + 13055825.

It is an arithmetic number, because the mean of its divisors is an integer number (1583530237296).

Almost surely, 2^{21113004242310} is an apocalyptic number.

21113004242310 is an abundant number, since it is smaller than the sum of its proper divisors (29559963351162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113004242310 is a wasteful number, since it uses less digits than its factorization.

21113004242310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24408508.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21113004242310 its reverse (1324240031112), we get a palindrome (22437244273422).

The spelling of 21113004242310 in words is "twenty-one trillion, one hundred thirteen billion, four million, two hundred forty-two thousand, three hundred ten".