111232220120230 has 64 divisors (see below), whose sum is σ = 221270338059840. Its totient is φ = 39921803468800.

The previous prime is 111232220120173. The next prime is 111232220120249. The reversal of 111232220120230 is 32021022232111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4746091 + ... + 15652150.

It is an arithmetic number, because the mean of its divisors is an integer number (3457349032185).

Almost surely, 2^{111232220120230} is an apocalyptic number.

111232220120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111232220120230 is a deficient number, since it is larger than the sum of its proper divisors (110038117939610).

111232220120230 is a wasteful number, since it uses less digits than its factorization.

111232220120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20398905.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 111232220120230 its reverse (32021022232111), we get a palindrome (143253242352341).

The spelling of 111232220120230 in words is "one hundred eleven trillion, two hundred thirty-two billion, two hundred twenty million, one hundred twenty thousand, two hundred thirty".