21120324144010 has 64 divisors (see below), whose sum is σ = 46846083916800. Its totient is φ = 6676171206912.

The previous prime is 21120324143981. The next prime is 21120324144089. The reversal of 21120324144010 is 1044142302112.

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 31 ways as a sum of consecutive naturals, for example, 13243890 + ... + 14752669.

It is an arithmetic number, because the mean of its divisors is an integer number (731970061200).

Almost surely, 2^{21120324144010} is an apocalyptic number.

21120324144010 is an abundant number, since it is smaller than the sum of its proper divisors (25725759772790).

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

21120324144010 is a wasteful number, since it uses less digits than its factorization.

21120324144010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27997415.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 21120324144010 its reverse (1044142302112), we get a palindrome (22164466446122).

The spelling of 21120324144010 in words is "twenty-one trillion, one hundred twenty billion, three hundred twenty-four million, one hundred forty-four thousand, ten".