113210242221 has 16 divisors (see below), whose sum is σ = 160992849024. Its totient is φ = 70515377664.

The previous prime is 113210242213. The next prime is 113210242237. The reversal of 113210242221 is 122242012311.

It is a happy number.

It is not a de Polignac number, because 113210242221 - 2³ = 113210242213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113210242121) 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, 8094505 + ... + 8108478.

It is an arithmetic number, because the mean of its divisors is an integer number (10062053064).

Almost surely, 2^113210242221 is an apocalyptic number.

It is an amenable number.

113210242221 is a deficient number, since it is larger than the sum of its proper divisors (47782606803).

113210242221 is a wasteful number, since it uses less digits than its factorization.

113210242221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16203140.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 113210242221 its reverse (122242012311), we get a palindrome (235452254532).

The spelling of 113210242221 in words is "one hundred thirteen billion, two hundred ten million, two hundred forty-two thousand, two hundred twenty-one".