111221132220230 has 32 divisors (see below), whose sum is σ = 211917730701600. Its totient is φ = 41955429503232.

The previous prime is 111221132220229. The next prime is 111221132220281. The reversal of 111221132220230 is 32022231122111.

It is a junction number, because it is equal to n+sod(n) for n = 111221132220196 and 111221132220205.

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 15 ways as a sum of consecutive naturals, for example, 4459535735 + ... + 4459560674.

It is an arithmetic number, because the mean of its divisors is an integer number (6622429084425).

Almost surely, 2^{111221132220230} is an apocalyptic number.

111221132220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111221132220230 is a deficient number, since it is larger than the sum of its proper divisors (100696598481370).

111221132220230 is a wasteful number, since it uses less digits than its factorization.

111221132220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919096488.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111221132220230 its reverse (32022231122111), we get a palindrome (143243363342341).

The spelling of 111221132220230 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred thirty-two million, two hundred twenty thousand, two hundred thirty".