113331112222018 has 8 divisors (see below), whose sum is σ = 170000523177660. Its totient is φ = 56664271162800.

The previous prime is 113331112221953. The next prime is 113331112222019. The reversal of 113331112222018 is 810222211133311.

It can be written as a sum of positive squares in 2 ways, for example, as 87265359777649 + 26065752444369 = 9341593^2 + 5105463^2 .

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

It is not an unprimeable number, because it can be changed into a prime (113331112222019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642363853 + ... + 642540256.

Almost surely, 2^{113331112222018} is an apocalyptic number.

113331112222018 is a deficient number, since it is larger than the sum of its proper divisors (56669410955642).

113331112222018 is a wasteful number, since it uses less digits than its factorization.

113331112222018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284948212.

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 113331112222018 its reverse (810222211133311), we get a palindrome (923553323355329).

The spelling of 113331112222018 in words is "one hundred thirteen trillion, three hundred thirty-one billion, one hundred twelve million, two hundred twenty-two thousand, eighteen".