112102210021 has 8 divisors (see below), whose sum is σ = 116048773080. Its totient is φ = 108161044992.

The previous prime is 112102209979. The next prime is 112102210069. The reversal of 112102210021 is 120012201211.

It can be written as a sum of positive squares in 4 ways, for example, as 43570300225 + 68531909796 = 208735^2 + 261786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112102210021 - 2⁹ = 112102209509 is a prime.

It is a super-3 number, since 3×112102210021³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112102209983 and 112102210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102210091) 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 7 ways as a sum of consecutive naturals, for example, 1307220 + ... + 1390333.

It is an arithmetic number, because the mean of its divisors is an integer number (14506096635).

Almost surely, 2^112102210021 is an apocalyptic number.

It is an amenable number.

112102210021 is a deficient number, since it is larger than the sum of its proper divisors (3946563059).

112102210021 is a wasteful number, since it uses less digits than its factorization.

112102210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699015.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112102210021 its reverse (120012201211), we get a palindrome (232114411232).

The spelling of 112102210021 in words is "one hundred twelve billion, one hundred two million, two hundred ten thousand, twenty-one".