111030211320 has 480 divisors, whose sum is σ = 402523194960. Its totient is φ = 24498432000.

The previous prime is 111030211273. The next prime is 111030211373. The reversal of 111030211320 is 23112030111.

It is a happy number.

It is a super-2 number, since 2×111030211320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111030211320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 276883120 + ... + 276883520.

Almost surely, 2^111030211320 is an apocalyptic number.

111030211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111030211320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201261597480).

111030211320 is an abundant number, since it is smaller than the sum of its proper divisors (291492983640).

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

111030211320 is an equidigital number, since it uses as much as digits as its factorization.

111030211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111030211320 its reverse (23112030111), we get a palindrome (134142241431).

The spelling of 111030211320 in words is "one hundred eleven billion, thirty million, two hundred eleven thousand, three hundred twenty".