111234021330 has 32 divisors (see below), whose sum is σ = 267064792704. Its totient is φ = 29650945536.

The previous prime is 111234021329. The next prime is 111234021391. The reversal of 111234021330 is 33120432111.

It is a junction number, because it is equal to n+sod(n) for n = 111234021297 and 111234021306.

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 15 ways as a sum of consecutive naturals, for example, 637174 + ... + 792753.

It is an arithmetic number, because the mean of its divisors is an integer number (8345774772).

Almost surely, 2^111234021330 is an apocalyptic number.

111234021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111234021330 is an abundant number, since it is smaller than the sum of its proper divisors (155830771374).

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

111234021330 is a wasteful number, since it uses less digits than its factorization.

111234021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432530.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111234021330 its reverse (33120432111), we get a palindrome (144354453441).

The spelling of 111234021330 in words is "one hundred eleven billion, two hundred thirty-four million, twenty-one thousand, three hundred thirty".