112100212212021 has 24 divisors (see below), whose sum is σ = 176643214079904. Its totient is φ = 67939347382560.

The previous prime is 112100212211963. The next prime is 112100212212103. The reversal of 112100212212021 is 120212212001211.

112100212212021 is a `hidden beast` number, since 11 + 210 + 0 + 21 + 221 + 202 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-112100212212021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100212211985 and 112100212212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100212262021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44357710 + ... + 46816736.

It is an arithmetic number, because the mean of its divisors is an integer number (7360133919996).

Almost surely, 2^{112100212212021} is an apocalyptic number.

112100212212021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112100212212021 is a deficient number, since it is larger than the sum of its proper divisors (64543001867883).

112100212212021 is a wasteful number, since it uses less digits than its factorization.

112100212212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919521 (or 2919518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112100212212021 its reverse (120212212001211), we get a palindrome (232312424213232).

The spelling of 112100212212021 in words is "one hundred twelve trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, twenty-one".