111131122012230 has 32 divisors (see below), whose sum is σ = 273219929242848. Its totient is φ = 28912161824000.

The previous prime is 111131122012217. The next prime is 111131122012241. The reversal of 111131122012230 is 32210221131111.

It is a junction number, because it is equal to n+sod(n) for n = 111131122012197 and 111131122012206.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 45175251621 + ... + 45175254080.

It is an arithmetic number, because the mean of its divisors is an integer number (8538122788839).

Almost surely, 2^{111131122012230} is an apocalyptic number.

111131122012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111131122012230 is an abundant number, since it is smaller than the sum of its proper divisors (162088807230618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111131122012230 is a wasteful number, since it uses less digits than its factorization.

111131122012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90350505752.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 111131122012230 its reverse (32210221131111), we get a palindrome (143341343143341).

The spelling of 111131122012230 in words is "one hundred eleven trillion, one hundred thirty-one billion, one hundred twenty-two million, twelve thousand, two hundred thirty".