111020112212120 has 32 divisors (see below), whose sum is σ = 250388590407120. Its totient is φ = 44302562586240.

The previous prime is 111020112212077. The next prime is 111020112212129. The reversal of 111020112212120 is 21212211020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020112212129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3296304782 + ... + 3296338461.

Almost surely, 2^{111020112212120} is an apocalyptic number.

111020112212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020112212120 is an abundant number, since it is smaller than the sum of its proper divisors (139368478195000).

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

111020112212120 is a wasteful number, since it uses less digits than its factorization.

111020112212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592643675 (or 6592643671 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111020112212120 its reverse (21212211020111), we get a palindrome (132232323232231).

The spelling of 111020112212120 in words is "one hundred eleven trillion, twenty billion, one hundred twelve million, two hundred twelve thousand, one hundred twenty".