10121244321 has 16 divisors (see below), whose sum is σ = 14293442304. Its totient is φ = 6348528384.

The previous prime is 10121244293. The next prime is 10121244401. The reversal of 10121244321 is 12344212101.

It is not a de Polignac number, because 10121244321 - 2¹¹ = 10121242273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121244521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135400 + ... + 196406.

It is an arithmetic number, because the mean of its divisors is an integer number (893340144).

Almost surely, 2^10121244321 is an apocalyptic number.

It is an amenable number.

10121244321 is a deficient number, since it is larger than the sum of its proper divisors (4172197983).

10121244321 is a wasteful number, since it uses less digits than its factorization.

10121244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64280.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10121244321 its reverse (12344212101), we get a palindrome (22465456422).

The spelling of 10121244321 in words is "ten billion, one hundred twenty-one million, two hundred forty-four thousand, three hundred twenty-one".