111221311130 has 16 divisors (see below), whose sum is σ = 206656372224. Its totient is φ = 43053410640.

The previous prime is 111221311127. The next prime is 111221311181. The reversal of 111221311130 is 31113122111.

111221311130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111221311099 and 111221311108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179388902 + ... + 179389521.

It is an arithmetic number, because the mean of its divisors is an integer number (12916023264).

Almost surely, 2^111221311130 is an apocalyptic number.

111221311130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111221311130 is a deficient number, since it is larger than the sum of its proper divisors (95435061094).

111221311130 is a wasteful number, since it uses less digits than its factorization.

111221311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358778461.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111221311130 its reverse (31113122111), we get a palindrome (142334433241).

The spelling of 111221311130 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred eleven thousand, one hundred thirty".