10323211121 has 4 divisors (see below), whose sum is σ = 10930458852. Its totient is φ = 9715963392.

The previous prime is 10323211103. The next prime is 10323211133. The reversal of 10323211121 is 12111232301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4287630400 + 6035580721 = 65480^2 + 77689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10323211121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 607247713 = 10323211121 / (1 + 0 + 3 + 2 + 3 + 2 + 1 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10323211121.

It is not an unprimeable number, because it can be changed into a prime (10323211181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303623840 + ... + 303623873.

It is an arithmetic number, because the mean of its divisors is an integer number (2732614713).

Almost surely, 2^10323211121 is an apocalyptic number.

It is an amenable number.

10323211121 is a deficient number, since it is larger than the sum of its proper divisors (607247731).

10323211121 is an equidigital number, since it uses as much as digits as its factorization.

10323211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607247730.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10323211121 its reverse (12111232301), we get a palindrome (22434443422).

The spelling of 10323211121 in words is "ten billion, three hundred twenty-three million, two hundred eleven thousand, one hundred twenty-one".