112103221221 has 6 divisors (see below), whose sum is σ = 161926875110. Its totient is φ = 74735480808.

The previous prime is 112103221211. The next prime is 112103221229. The reversal of 112103221221 is 122122301211.

112103221221 is a `hidden beast` number, since 1 + 121 + 0 + 322 + 1 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112030784100 + 72437121 = 334710^2 + 8511^2 .

It is not a de Polignac number, because 112103221221 - 2⁵ = 112103221189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112103221194 and 112103221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112103221229) 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 5 ways as a sum of consecutive naturals, for example, 6227956726 + ... + 6227956743.

Almost surely, 2^112103221221 is an apocalyptic number.

It is an amenable number.

112103221221 is a deficient number, since it is larger than the sum of its proper divisors (49823653889).

112103221221 is a wasteful number, since it uses less digits than its factorization.

112103221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455913475 (or 12455913472 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112103221221 its reverse (122122301211), we get a palindrome (234225522432).

The spelling of 112103221221 in words is "one hundred twelve billion, one hundred three million, two hundred twenty-one thousand, two hundred twenty-one".