111130021330 has 32 divisors (see below), whose sum is σ = 205478056944. Its totient is φ = 43242667776.

The previous prime is 111130021319. The next prime is 111130021337. The reversal of 111130021330 is 33120031111.

It can be written as a sum of positive squares in 8 ways, for example, as 75052437849 + 36077583481 = 273957^2 + 189941^2 .

It is not an unprimeable number, because it can be changed into a prime (111130021337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244724 + ... + 2293696.

Almost surely, 2^111130021330 is an apocalyptic number.

111130021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111130021330 is a deficient number, since it is larger than the sum of its proper divisors (94348035614).

111130021330 is a wasteful number, since it uses less digits than its factorization.

111130021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55150.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 111130021330 its reverse (33120031111), we get a palindrome (144250052441).

The spelling of 111130021330 in words is "one hundred eleven billion, one hundred thirty million, twenty-one thousand, three hundred thirty".