10223032121 has 4 divisors (see below), whose sum is σ = 10575550500. Its totient is φ = 9870513744.

The previous prime is 10223032109. The next prime is 10223032187. The reversal of 10223032121 is 12123032201.

10223032121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3660250000 + 6562782121 = 60500^2 + 81011^2 .

It is a cyclic number.

It is not a de Polignac number, because 10223032121 - 2¹⁰ = 10223031097 is a prime.

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 10223032121.

It is not an unprimeable number, because it can be changed into a prime (10223032021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176259146 + ... + 176259203.

It is an arithmetic number, because the mean of its divisors is an integer number (2643887625).

Almost surely, 2^10223032121 is an apocalyptic number.

It is an amenable number.

10223032121 is a deficient number, since it is larger than the sum of its proper divisors (352518379).

10223032121 is an equidigital number, since it uses as much as digits as its factorization.

10223032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352518378.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10223032121 its reverse (12123032201), we get a palindrome (22346064322).

The spelling of 10223032121 in words is "ten billion, two hundred twenty-three million, thirty-two thousand, one hundred twenty-one".