112100211121 has 4 divisors (see below), whose sum is σ = 112906687600. Its totient is φ = 111293734644.

The previous prime is 112100211103. The next prime is 112100211187. The reversal of 112100211121 is 121112001211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121112001211 = 257 ⋅471252923.

It is a cyclic number.

It is not a de Polignac number, because 112100211121 - 2¹⁹ = 112099686833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112100211521) 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 3 ways as a sum of consecutive naturals, for example, 403238031 + ... + 403238308.

It is an arithmetic number, because the mean of its divisors is an integer number (28226671900).

Almost surely, 2^112100211121 is an apocalyptic number.

It is an amenable number.

112100211121 is a deficient number, since it is larger than the sum of its proper divisors (806476479).

112100211121 is an equidigital number, since it uses as much as digits as its factorization.

112100211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806476478.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112100211121 its reverse (121112001211), we get a palindrome (233212212332).

The spelling of 112100211121 in words is "one hundred twelve billion, one hundred million, two hundred eleven thousand, one hundred twenty-one".