10105332121 has 4 divisors (see below), whose sum is σ = 10198041700. Its totient is φ = 10012622544.

The previous prime is 10105332103. The next prime is 10105332131. The reversal of 10105332121 is 12123350101.

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 6230892096 + 3874440025 = 78936^2 + 62245^2 .

It is a cyclic number.

It is not a de Polignac number, because 10105332121 - 2¹³ = 10105323929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10105332101) 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, 46354626 + ... + 46354843.

It is an arithmetic number, because the mean of its divisors is an integer number (2549510425).

Almost surely, 2^10105332121 is an apocalyptic number.

It is an amenable number.

10105332121 is a deficient number, since it is larger than the sum of its proper divisors (92709579).

10105332121 is an equidigital number, since it uses as much as digits as its factorization.

10105332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92709578.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 10105332121 its reverse (12123350101), we get a palindrome (22228682222).

The spelling of 10105332121 in words is "ten billion, one hundred five million, three hundred thirty-two thousand, one hundred twenty-one".