9700100200121 has 4 divisors (see below), whose sum is σ = 9809090090100. Its totient is φ = 9591110310144.

The previous prime is 9700100200117. The next prime is 9700100200151. The reversal of 9700100200121 is 1210020010079.

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 5724319428025 + 3975780772096 = 2392555^2 + 1993936^2 .

It is a cyclic number.

It is not a de Polignac number, because 9700100200121 - 2² = 9700100200117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9700100200151) 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 3 ways as a sum of consecutive naturals, for example, 54494944856 + ... + 54494945033.

It is an arithmetic number, because the mean of its divisors is an integer number (2452272522525).

Almost surely, 2^{9700100200121} is an apocalyptic number.

It is an amenable number.

9700100200121 is a deficient number, since it is larger than the sum of its proper divisors (108989889979).

9700100200121 is a wasteful number, since it uses less digits than its factorization.

9700100200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108989889978.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 9700100200121 in words is "nine trillion, seven hundred billion, one hundred million, two hundred thousand, one hundred twenty-one".