10113434421 has 4 divisors (see below), whose sum is σ = 13484579232. Its totient is φ = 6742289612.

The previous prime is 10113434417. The next prime is 10113434447. The reversal of 10113434421 is 12443431101.

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: 12443431101 = 3 ⋅4147810367.

It is a cyclic number.

It is not a de Polignac number, because 10113434421 - 2² = 10113434417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10113434391 and 10113434400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113434491) 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, 1685572401 + ... + 1685572406.

It is an arithmetic number, because the mean of its divisors is an integer number (3371144808).

Almost surely, 2^10113434421 is an apocalyptic number.

It is an amenable number.

10113434421 is a deficient number, since it is larger than the sum of its proper divisors (3371144811).

10113434421 is an equidigital number, since it uses as much as digits as its factorization.

10113434421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371144810.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 10113434421 its reverse (12443431101), we get a palindrome (22556865522).

The spelling of 10113434421 in words is "ten billion, one hundred thirteen million, four hundred thirty-four thousand, four hundred twenty-one".