10343121011 has 4 divisors (see below), whose sum is σ = 10951539912. Its totient is φ = 9734702112.

The previous prime is 10343121001. The next prime is 10343121049. The reversal of 10343121011 is 11012134301.

10343121011 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 is not a de Polignac number, because 10343121011 - 2¹⁴ = 10343104627 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: 608418883 = 10343121011 / (1 + 0 + 3 + 4 + 3 + 1 + 2 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10343121001) 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, 304209425 + ... + 304209458.

It is an arithmetic number, because the mean of its divisors is an integer number (2737884978).

Almost surely, 2^10343121011 is an apocalyptic number.

10343121011 is a deficient number, since it is larger than the sum of its proper divisors (608418901).

10343121011 is an equidigital number, since it uses as much as digits as its factorization.

10343121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608418900.

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

Adding to 10343121011 its reverse (11012134301), we get a palindrome (21355255312).

The spelling of 10343121011 in words is "ten billion, three hundred forty-three million, one hundred twenty-one thousand, eleven".