10233121121 has 16 divisors (see below), whose sum is σ = 10570441680. Its totient is φ = 9901731840.

The previous prime is 10233121109. The next prime is 10233121133. The reversal of 10233121121 is 12112133201.

It is an interprime number because it is at equal distance from previous prime (10233121109) and next prime (10233121133).

It can be written as a sum of positive squares in 8 ways, for example, as 1158653521 + 9074467600 = 34039^2 + 95260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10233121121 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 10233121121.

It is not an unprimeable number, because it can be changed into a prime (10233121181) 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, 1983281 + ... + 1988433.

It is an arithmetic number, because the mean of its divisors is an integer number (660652605).

Almost surely, 2^10233121121 is an apocalyptic number.

It is an amenable number.

10233121121 is a deficient number, since it is larger than the sum of its proper divisors (337320559).

10233121121 is an equidigital number, since it uses as much as digits as its factorization.

10233121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716.

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

Adding to 10233121121 its reverse (12112133201), we get a palindrome (22345254322).

The spelling of 10233121121 in words is "ten billion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred twenty-one".