111232021130 has 8 divisors (see below), whose sum is σ = 200217638052. Its totient is φ = 44492808448.

The previous prime is 111232021091. The next prime is 111232021151. The reversal of 111232021130 is 31120232111.

It can be written as a sum of positive squares in 2 ways, for example, as 107683078801 + 3548942329 = 328151^2 + 59573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111232021099 and 111232021108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5561601047 + ... + 5561601066.

Almost surely, 2^111232021130 is an apocalyptic number.

111232021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111232021130 is a deficient number, since it is larger than the sum of its proper divisors (88985616922).

111232021130 is a wasteful number, since it uses less digits than its factorization.

111232021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11123202120.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111232021130 its reverse (31120232111), we get a palindrome (142352253241).

The spelling of 111232021130 in words is "one hundred eleven billion, two hundred thirty-two million, twenty-one thousand, one hundred thirty".