111010203242 has 8 divisors (see below), whose sum is σ = 166807952100. Its totient is φ = 55407552544.

The previous prime is 111010203233. The next prime is 111010203281. The reversal of 111010203242 is 242302010111.

It can be written as a sum of positive squares in 2 ways, for example, as 111008246041 + 1957201 = 333179^2 + 1399^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 111010203242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48773117 + ... + 48775392.

Almost surely, 2^111010203242 is an apocalyptic number.

111010203242 is a deficient number, since it is larger than the sum of its proper divisors (55797748858).

111010203242 is an equidigital number, since it uses as much as digits as its factorization.

111010203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97549080.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111010203242 its reverse (242302010111), we get a palindrome (353312213353).

The spelling of 111010203242 in words is "one hundred eleven billion, ten million, two hundred three thousand, two hundred forty-two".