111252220330 has 16 divisors (see below), whose sum is σ = 200291854464. Its totient is φ = 44492475280.

The previous prime is 111252220319. The next prime is 111252220333. The reversal of 111252220330 is 33022252111.

It is not an unprimeable number, because it can be changed into a prime (111252220333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 995926 + ... + 1101985.

It is an arithmetic number, because the mean of its divisors is an integer number (12518240904).

Almost surely, 2^111252220330 is an apocalyptic number.

111252220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111252220330 is a deficient number, since it is larger than the sum of its proper divisors (89039634134).

111252220330 is a wasteful number, since it uses less digits than its factorization.

111252220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103221.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 111252220330 its reverse (33022252111), we get a palindrome (144274472441).

The spelling of 111252220330 in words is "one hundred eleven billion, two hundred fifty-two million, two hundred twenty thousand, three hundred thirty".