111122120230 has 48 divisors (see below), whose sum is σ = 219902612832. Its totient is φ = 40399568000.

The previous prime is 111122120183. The next prime is 111122120267. The reversal of 111122120230 is 32021221111.

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 23 ways as a sum of consecutive naturals, for example, 10476930 + ... + 10487530.

It is an arithmetic number, because the mean of its divisors is an integer number (4581304434).

Almost surely, 2^111122120230 is an apocalyptic number.

111122120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111122120230 is a deficient number, since it is larger than the sum of its proper divisors (108780492602).

111122120230 is a wasteful number, since it uses less digits than its factorization.

111122120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19293 (or 19282 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111122120230 its reverse (32021221111), we get a palindrome (143143341341).

The spelling of 111122120230 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, two hundred thirty".