112011212021 has 16 divisors (see below), whose sum is σ = 116745753600. Its totient is φ = 107373868800.

The previous prime is 112011212009. The next prime is 112011212029. The reversal of 112011212021 is 120212110211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112011212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112011211987 and 112011212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112011212029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5405801 + ... + 5426481.

It is an arithmetic number, because the mean of its divisors is an integer number (7296609600).

Almost surely, 2^112011212021 is an apocalyptic number.

It is an amenable number.

112011212021 is a deficient number, since it is larger than the sum of its proper divisors (4734541579).

112011212021 is a wasteful number, since it uses less digits than its factorization.

112011212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23020.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112011212021 its reverse (120212110211), we get a palindrome (232223322232).

The spelling of 112011212021 in words is "one hundred twelve billion, eleven million, two hundred twelve thousand, twenty-one".