112102212120121 has 4 divisors (see below), whose sum is σ = 112984906703872. Its totient is φ = 111219517536372.

The previous prime is 112102212120113. The next prime is 112102212120127. The reversal of 112102212120121 is 121021212201211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112102212120121 - 2³ = 112102212120113 is a prime.

It is a super-3 number, since 3×112102212120121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112102212120127) 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 3 ways as a sum of consecutive naturals, for example, 441347291685 + ... + 441347291938.

It is an arithmetic number, because the mean of its divisors is an integer number (28246226675968).

Almost surely, 2^{112102212120121} is an apocalyptic number.

It is an amenable number.

112102212120121 is a deficient number, since it is larger than the sum of its proper divisors (882694583751).

112102212120121 is an equidigital number, since it uses as much as digits as its factorization.

112102212120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882694583750.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112102212120121 its reverse (121021212201211), we get a palindrome (233123424321332).

The spelling of 112102212120121 in words is "one hundred twelve trillion, one hundred two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-one".