111020140234 has 8 divisors (see below), whose sum is σ = 168401336580. Its totient is φ = 54886361376.

The previous prime is 111020140199. The next prime is 111020140277. The reversal of 111020140234 is 432041020111.

It can be written as a sum of positive squares in 2 ways, for example, as 107614834209 + 3405306025 = 328047^2 + 58355^2 .

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

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, 311854149 + ... + 311854504.

Almost surely, 2^111020140234 is an apocalyptic number.

111020140234 is a deficient number, since it is larger than the sum of its proper divisors (57381196346).

111020140234 is an equidigital number, since it uses as much as digits as its factorization.

111020140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623708744.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 111020140234 its reverse (432041020111), we get a palindrome (543061160345).

The spelling of 111020140234 in words is "one hundred eleven billion, twenty million, one hundred forty thousand, two hundred thirty-four".