113210421215 has 4 divisors (see below), whose sum is σ = 135852505464. Its totient is φ = 90568336968.

The previous prime is 113210421119. The next prime is 113210421251. The reversal of 113210421215 is 512124012311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512124012311 = 877 ⋅583949843.

It is a cyclic number.

It is not a de Polignac number, because 113210421215 - 2¹⁴ = 113210404831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11321042117 + ... + 11321042126.

It is an arithmetic number, because the mean of its divisors is an integer number (33963126366).

Almost surely, 2^113210421215 is an apocalyptic number.

113210421215 is a deficient number, since it is larger than the sum of its proper divisors (22642084249).

113210421215 is an equidigital number, since it uses as much as digits as its factorization.

113210421215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22642084248.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 113210421215 its reverse (512124012311), we get a palindrome (625334433526).

The spelling of 113210421215 in words is "one hundred thirteen billion, two hundred ten million, four hundred twenty-one thousand, two hundred fifteen".