113443402121 has 8 divisors (see below), whose sum is σ = 129694941504. Its totient is φ = 97203197520.

The previous prime is 113443402099. The next prime is 113443402133. The reversal of 113443402121 is 121204344311.

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 113443402121 - 2⁶ = 113443402057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113443402141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2812235 + ... + 2852288.

It is an arithmetic number, because the mean of its divisors is an integer number (16211867688).

Almost surely, 2^113443402121 is an apocalyptic number.

It is an amenable number.

113443402121 is a deficient number, since it is larger than the sum of its proper divisors (16251539383).

113443402121 is an equidigital number, since it uses as much as digits as its factorization.

113443402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667391.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 113443402121 its reverse (121204344311), we get a palindrome (234647746432).

The spelling of 113443402121 in words is "one hundred thirteen billion, four hundred forty-three million, four hundred two thousand, one hundred twenty-one".