10121150405 has 4 divisors (see below), whose sum is σ = 12145380492. Its totient is φ = 8096920320.

The previous prime is 10121150383. The next prime is 10121150467. The reversal of 10121150405 is 50405112101.

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 8060807524 + 2060342881 = 89782^2 + 45391^2 .

It is not a de Polignac number, because 10121150405 - 2⁶ = 10121150341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012115036 + ... + 1012115045.

It is an arithmetic number, because the mean of its divisors is an integer number (3036345123).

Almost surely, 2^10121150405 is an apocalyptic number.

It is an amenable number.

10121150405 is a deficient number, since it is larger than the sum of its proper divisors (2024230087).

10121150405 is an equidigital number, since it uses as much as digits as its factorization.

10121150405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024230086.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 10121150405 its reverse (50405112101), we get a palindrome (60526262506).

The spelling of 10121150405 in words is "ten billion, one hundred twenty-one million, one hundred fifty thousand, four hundred five".