21234201043310 has 16 divisors (see below), whose sum is σ = 38271787334352. Its totient is φ = 8482519204800.

The previous prime is 21234201043277. The next prime is 21234201043333. The reversal of 21234201043310 is 1334010243212.

It is a super-2 number, since 2×21234201043310² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21234201043310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395143576 + ... + 1395158795.

It is an arithmetic number, because the mean of its divisors is an integer number (2391986708397).

Almost surely, 2^{21234201043310} is an apocalyptic number.

21234201043310 is a deficient number, since it is larger than the sum of its proper divisors (17037586291042).

21234201043310 is a wasteful number, since it uses less digits than its factorization.

21234201043310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790303139.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21234201043310 its reverse (1334010243212), we get a palindrome (22568211286522).

The spelling of 21234201043310 in words is "twenty-one trillion, two hundred thirty-four billion, two hundred one million, forty-three thousand, three hundred ten".