10821272144 has 40 divisors (see below), whose sum is σ = 21322944768. Its totient is φ = 5318686080.

The previous prime is 10821272101. The next prime is 10821272149. The reversal of 10821272144 is 44127212801.

It is a self number, because there is not a number n which added to its sum of digits gives 10821272144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10821272149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698589 + ... + 2702595.

Almost surely, 2^10821272144 is an apocalyptic number.

It is an amenable number.

10821272144 is a deficient number, since it is larger than the sum of its proper divisors (10501672624).

10821272144 is a wasteful number, since it uses less digits than its factorization.

10821272144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

Adding to 10821272144 its reverse (44127212801), we get a palindrome (54948484945).

The spelling of 10821272144 in words is "ten billion, eight hundred twenty-one million, two hundred seventy-two thousand, one hundred forty-four".