111120222330 has 128 divisors (see below), whose sum is σ = 322213731840. Its totient is φ = 27087022080.

The previous prime is 111120222319. The next prime is 111120222377. The reversal of 111120222330 is 33222021111.

111120222330 is a `hidden beast` number, since 1 + 1 + 112 + 0 + 222 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207850 + ... + 515210.

It is an arithmetic number, because the mean of its divisors is an integer number (2517294780).

Almost surely, 2^111120222330 is an apocalyptic number.

111120222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111120222330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161106865920).

111120222330 is an abundant number, since it is smaller than the sum of its proper divisors (211093509510).

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

111120222330 is a wasteful number, since it uses less digits than its factorization.

111120222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307493 (or 307487 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111120222330 its reverse (33222021111), we get a palindrome (144342243441).

The spelling of 111120222330 in words is "one hundred eleven billion, one hundred twenty million, two hundred twenty-two thousand, three hundred thirty".