112012121111020 has 48 divisors (see below), whose sum is σ = 253862160840288. Its totient is φ = 41269759879680.

The previous prime is 112012121110993. The next prime is 112012121111081. The reversal of 112012121111020 is 20111121210211.

It is a junction number, because it is equal to n+sod(n) for n = 112012121110985 and 112012121111003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461137521 + ... + 461380360.

It is an arithmetic number, because the mean of its divisors is an integer number (5288795017506).

Almost surely, 2^{112012121111020} is an apocalyptic number.

112012121111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012121111020 is an abundant number, since it is smaller than the sum of its proper divisors (141850039729268).

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

112012121111020 is a wasteful number, since it uses less digits than its factorization.

112012121111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922518370 (or 922518368 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 112012121111020 its reverse (20111121210211), we get a palindrome (132123242321231).

The spelling of 112012121111020 in words is "one hundred twelve trillion, twelve billion, one hundred twenty-one million, one hundred eleven thousand, twenty".