112103421021 has 12 divisors (see below), whose sum is σ = 165876607260. Its totient is φ = 72912793920.

The previous prime is 112103420953. The next prime is 112103421091. The reversal of 112103421021 is 120124301211.

112103421021 is a `hidden beast` number, since 11 + 210 + 3 + 421 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45945922500 + 66157498521 = 214350^2 + 257211^2 .

It is not a de Polignac number, because 112103421021 - 2³³ = 103513486429 is a prime.

It is a super-2 number, since 2×112103421021² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112103420985 and 112103421003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112103421091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151901286 + ... + 151902023.

It is an arithmetic number, because the mean of its divisors is an integer number (13823050605).

Almost surely, 2^112103421021 is an apocalyptic number.

It is an amenable number.

112103421021 is a deficient number, since it is larger than the sum of its proper divisors (53773186239).

112103421021 is a wasteful number, since it uses less digits than its factorization.

112103421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303803356 (or 303803353 counting only the distinct ones).

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

Adding to 112103421021 its reverse (120124301211), we get a palindrome (232227722232).

The spelling of 112103421021 in words is "one hundred twelve billion, one hundred three million, four hundred twenty-one thousand, twenty-one".