113430122421 has 16 divisors (see below), whose sum is σ = 188559164928. Its totient is φ = 58924738800.

The previous prime is 113430122387. The next prime is 113430122437. The reversal of 113430122421 is 124221034311.

It is not a de Polignac number, because 113430122421 - 2¹⁰ = 113430121397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113430122391 and 113430122400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113430122441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245519515 + ... + 245519976.

It is an arithmetic number, because the mean of its divisors is an integer number (11784947808).

Almost surely, 2^113430122421 is an apocalyptic number.

113430122421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113430122421 is a deficient number, since it is larger than the sum of its proper divisors (75129042507).

113430122421 is a wasteful number, since it uses less digits than its factorization.

113430122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491039512.

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

Adding to 113430122421 its reverse (124221034311), we get a palindrome (237651156732).

The spelling of 113430122421 in words is "one hundred thirteen billion, four hundred thirty million, one hundred twenty-two thousand, four hundred twenty-one".