10342134221 has 4 divisors (see below), whose sum is σ = 10342346112. Its totient is φ = 10341922332.

The previous prime is 10342134199. The next prime is 10342134233. The reversal of 10342134221 is 12243124301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12243124301 = 22013 ⋅556177.

It is a cyclic number.

It is not a de Polignac number, because 10342134221 - 2⁶ = 10342134157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10342131221) 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, 8420 + ... + 144066.

It is an arithmetic number, because the mean of its divisors is an integer number (2585586528).

Almost surely, 2^10342134221 is an apocalyptic number.

It is an amenable number.

10342134221 is a deficient number, since it is larger than the sum of its proper divisors (211891).

10342134221 is an equidigital number, since it uses as much as digits as its factorization.

10342134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211890.

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

Adding to 10342134221 its reverse (12243124301), we get a palindrome (22585258522).

The spelling of 10342134221 in words is "ten billion, three hundred forty-two million, one hundred thirty-four thousand, two hundred twenty-one".