112121011220103 has 20 divisors (see below), whose sum is σ = 168971619020688. Its totient is φ = 74085859915200.

The previous prime is 112121011220089. The next prime is 112121011220203. The reversal of 112121011220103 is 301022110121211.

It is a happy number.

112121011220103 is a `hidden beast` number, since 1 + 121 + 210 + 11 + 220 + 103 = 666.

It is not a de Polignac number, because 112121011220103 - 2⁴ = 112121011220087 is a prime.

It is a super-2 number, since 2×112121011220103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121011220203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6124813923 + ... + 6124832228.

Almost surely, 2^{112121011220103} is an apocalyptic number.

112121011220103 is a deficient number, since it is larger than the sum of its proper divisors (56850607800585).

112121011220103 is a wasteful number, since it uses less digits than its factorization.

112121011220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12249646276 (or 12249646267 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 112121011220103 its reverse (301022110121211), we get a palindrome (413143121341314).

The spelling of 112121011220103 in words is "one hundred twelve trillion, one hundred twenty-one billion, eleven million, two hundred twenty thousand, one hundred three".