111010021330 has 128 divisors (see below), whose sum is σ = 233236039680. Its totient is φ = 37724037120.

The previous prime is 111010021327. The next prime is 111010021393. The reversal of 111010021330 is 33120010111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 111010021330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7823202 + ... + 7837378.

It is an arithmetic number, because the mean of its divisors is an integer number (1822156560).

Almost surely, 2^111010021330 is an apocalyptic number.

111010021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111010021330 is an abundant number, since it is smaller than the sum of its proper divisors (122226018350).

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

111010021330 is a wasteful number, since it uses less digits than its factorization.

111010021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14324.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 111010021330 its reverse (33120010111), we get a palindrome (144130031441).

The spelling of 111010021330 in words is "one hundred eleven billion, ten million, twenty-one thousand, three hundred thirty".