113143420210221 has 16 divisors (see below), whose sum is σ = 167873467117120. Its totient is φ = 75314833410960.

The previous prime is 113143420210181. The next prime is 113143420210267. The reversal of 113143420210221 is 122012024341311.

113143420210221 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 4 + 3 + 420 + 2 + 10 + 221 = 666.

It is not a de Polignac number, because 113143420210221 - 2⁹ = 113143420209709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113143420217221) 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, 3169798375 + ... + 3169834068.

It is an arithmetic number, because the mean of its divisors is an integer number (10492091694820).

Almost surely, 2^{113143420210221} is an apocalyptic number.

It is an amenable number.

113143420210221 is a deficient number, since it is larger than the sum of its proper divisors (54730046906899).

113143420210221 is an equidigital number, since it uses as much as digits as its factorization.

113143420210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339633113 (or 6339633107 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 113143420210221 its reverse (122012024341311), we get a palindrome (235155444551532).

The spelling of 113143420210221 in words is "one hundred thirteen trillion, one hundred forty-three billion, four hundred twenty million, two hundred ten thousand, two hundred twenty-one".