10321121268 has 72 divisors (see below), whose sum is σ = 26750724000. Its totient is φ = 3353507136.

The previous prime is 10321121267. The next prime is 10321121299. The reversal of 10321121268 is 86212112301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321121267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 781383 + ... + 794481.

Almost surely, 2^10321121268 is an apocalyptic number.

10321121268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10321121268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13375362000).

10321121268 is an abundant number, since it is smaller than the sum of its proper divisors (16429602732).

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

10321121268 is a wasteful number, since it uses less digits than its factorization.

10321121268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13661 (or 13656 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 10321121268 its reverse (86212112301), we get a palindrome (96533233569).

The spelling of 10321121268 in words is "ten billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred sixty-eight".