21110331410144 has 24 divisors (see below), whose sum is σ = 41580038513160. Its totient is φ = 10550321629056.

The previous prime is 21110331410143. The next prime is 21110331410159. The reversal of 21110331410144 is 44101413301112.

It is a super-2 number, since 2×21110331410144² (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 (21110331410143) 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 3 ways as a sum of consecutive naturals, for example, 151306559 + ... + 151446014.

It is an arithmetic number, because the mean of its divisors is an integer number (1732501604715).

Almost surely, 2^{21110331410144} is an apocalyptic number.

It is an amenable number.

21110331410144 is a deficient number, since it is larger than the sum of its proper divisors (20469707103016).

21110331410144 is a wasteful number, since it uses less digits than its factorization.

21110331410144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302754762 (or 302754754 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 21110331410144 its reverse (44101413301112), we get a palindrome (65211744711256).

The spelling of 21110331410144 in words is "twenty-one trillion, one hundred ten billion, three hundred thirty-one million, four hundred ten thousand, one hundred forty-four".