113313220421 has 8 divisors (see below), whose sum is σ = 114945220800. Its totient is φ = 111682221280.

The previous prime is 113313220399. The next prime is 113313220459. The reversal of 113313220421 is 124022313311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113313220421 - 2¹⁸ = 113312958277 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 (113313220021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20831 + ... + 476508.

It is an arithmetic number, because the mean of its divisors is an integer number (14368152600).

Almost surely, 2^113313220421 is an apocalyptic number.

It is an amenable number.

113313220421 is a deficient number, since it is larger than the sum of its proper divisors (1632000379).

113313220421 is an equidigital number, since it uses as much as digits as its factorization.

113313220421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500619.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 113313220421 its reverse (124022313311), we get a palindrome (237335533732).

The spelling of 113313220421 in words is "one hundred thirteen billion, three hundred thirteen million, two hundred twenty thousand, four hundred twenty-one".