9100200001121 has 4 divisors (see below), whose sum is σ = 9101799620100. Its totient is φ = 9098600382144.

The previous prime is 9100200001043. The next prime is 9100200001229. The reversal of 9100200001121 is 1211000020019.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8894047679521 + 206152321600 = 2982289^2 + 454040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9100200001121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9100200001121.

It is not an unprimeable number, because it can be changed into a prime (9100200001721) 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 3 ways as a sum of consecutive naturals, for example, 799800956 + ... + 799812333.

It is an arithmetic number, because the mean of its divisors is an integer number (2275449905025).

Almost surely, 2^{9100200001121} is an apocalyptic number.

It is an amenable number.

9100200001121 is a deficient number, since it is larger than the sum of its proper divisors (1599618979).

9100200001121 is a wasteful number, since it uses less digits than its factorization.

9100200001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599618978.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 9100200001121 in words is "nine trillion, one hundred billion, two hundred million, one thousand, one hundred twenty-one".