112200100001021 has 8 divisors (see below), whose sum is σ = 118831393838520. Its totient is φ = 105572282603008.

The previous prime is 112200100000973. The next prime is 112200100001027. The reversal of 112200100001021 is 120100001002211.

It can be written as a sum of positive squares in 4 ways, for example, as 14169331225 + 112185930669796 = 119035^2 + 10591786^2 .

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 112200100001021 - 2¹⁰ = 112200099999997 is a prime.

It is a super-2 number, since 2×112200100001021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200100000993 and 112200100001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200100001027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869043416 + ... + 869172513.

It is an arithmetic number, because the mean of its divisors is an integer number (14853924229815).

Almost surely, 2^{112200100001021} is an apocalyptic number.

It is an amenable number.

112200100001021 is a deficient number, since it is larger than the sum of its proper divisors (6631293837499).

112200100001021 is a wasteful number, since it uses less digits than its factorization.

112200100001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738219743.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112200100001021 its reverse (120100001002211), we get a palindrome (232300101003232).

The spelling of 112200100001021 in words is "one hundred twelve trillion, two hundred billion, one hundred million, one thousand, twenty-one".