111012220443230 has 64 divisors (see below), whose sum is σ = 205380952116480. Its totient is φ = 43181983463424.

The previous prime is 111012220443221. The next prime is 111012220443269. The reversal of 111012220443230 is 32344022210111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111012220443230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130403522 + ... + 131252058.

It is an arithmetic number, because the mean of its divisors is an integer number (3209077376820).

Almost surely, 2^{111012220443230} is an apocalyptic number.

111012220443230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111012220443230 is a deficient number, since it is larger than the sum of its proper divisors (94368731673250).

111012220443230 is a wasteful number, since it uses less digits than its factorization.

111012220443230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850373.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 111012220443230 its reverse (32344022210111), we get a palindrome (143356242653341).

The spelling of 111012220443230 in words is "one hundred eleven trillion, twelve billion, two hundred twenty million, four hundred forty-three thousand, two hundred thirty".