111030212120 has 32 divisors (see below), whose sum is σ = 250411407120. Its totient is φ = 44306586240.

The previous prime is 111030212093. The next prime is 111030212149. The reversal of 111030212120 is 21212030111.

It is a junction number, because it is equal to n+sod(n) for n = 111030212095 and 111030212104.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3279782 + ... + 3313461.

Almost surely, 2^111030212120 is an apocalyptic number.

111030212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111030212120 is an abundant number, since it is smaller than the sum of its proper divisors (139381195000).

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

111030212120 is a wasteful number, since it uses less digits than its factorization.

111030212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593675 (or 6593671 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111030212120 its reverse (21212030111), we get a palindrome (132242242231).

The spelling of 111030212120 in words is "one hundred eleven billion, thirty million, two hundred twelve thousand, one hundred twenty".