112121021221103 has 4 divisors (see below), whose sum is σ = 112121054502168. Its totient is φ = 112120987940040.

The previous prime is 112121021221081. The next prime is 112121021221133. The reversal of 112121021221103 is 301122120121211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112121021221103 - 2¹⁴ = 112121021204719 is a prime.

It is a super-2 number, since 2×112121021221103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121021221133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10935101 + ... + 18542342.

It is an arithmetic number, because the mean of its divisors is an integer number (28030263625542).

Almost surely, 2^{112121021221103} is an apocalyptic number.

112121021221103 is a deficient number, since it is larger than the sum of its proper divisors (33281065).

112121021221103 is an equidigital number, since it uses as much as digits as its factorization.

112121021221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33281064.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 112121021221103 its reverse (301122120121211), we get a palindrome (413243141342314).

The spelling of 112121021221103 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-one thousand, one hundred three".