110212112102121 has 12 divisors (see below), whose sum is σ = 167573971617520. Its totient is φ = 69607649748600.

The previous prime is 110212112102077. The next prime is 110212112102207. The reversal of 110212112102121 is 121201211212011.

It is a happy number.

110212112102121 is a `hidden beast` number, since 1 + 10 + 21 + 211 + 210 + 212 + 1 = 666.

It is not a de Polignac number, because 110212112102121 - 2¹⁴ = 110212112085737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110212112102094 and 110212112102103.

It is not an unprimeable number, because it can be changed into a prime (110212112102221) 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 11 ways as a sum of consecutive naturals, for example, 322257637555 + ... + 322257637896.

Almost surely, 2^{110212112102121} is an apocalyptic number.

It is an amenable number.

110212112102121 is a deficient number, since it is larger than the sum of its proper divisors (57361859515399).

110212112102121 is a wasteful number, since it uses less digits than its factorization.

110212112102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644515275476 (or 644515275473 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 110212112102121 its reverse (121201211212011), we get a palindrome (231413323314132).

The spelling of 110212112102121 in words is "one hundred ten trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, one hundred twenty-one".