10343422121 has 4 divisors (see below), whose sum is σ = 10343689044. Its totient is φ = 10343155200.

The previous prime is 10343422109. The next prime is 10343422139. The reversal of 10343422121 is 12122434301.

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 5153660521 + 5189761600 = 71789^2 + 72040^2 .

It is a cyclic number.

It is not a de Polignac number, because 10343422121 - 2¹⁸ = 10343159977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10343422171) 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, 62900 + ... + 156981.

It is an arithmetic number, because the mean of its divisors is an integer number (2585922261).

Almost surely, 2^10343422121 is an apocalyptic number.

It is an amenable number.

10343422121 is a deficient number, since it is larger than the sum of its proper divisors (266923).

10343422121 is an equidigital number, since it uses as much as digits as its factorization.

10343422121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266922.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 10343422121 its reverse (12122434301), we get a palindrome (22465856422).

The spelling of 10343422121 in words is "ten billion, three hundred forty-three million, four hundred twenty-two thousand, one hundred twenty-one".