2121100000201 has 16 divisors (see below), whose sum is σ = 2636431999488. Its totient is φ = 1661616792000.

The previous prime is 2121100000177. The next prime is 2121100000207. The reversal of 2121100000201 is 1020000011212.

It is a cyclic number.

It is not a de Polignac number, because 2121100000201 - 2¹⁵ = 2121099967433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121100000207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115380865 + ... + 115399246.

It is an arithmetic number, because the mean of its divisors is an integer number (164776999968).

Almost surely, 2^{2121100000201} is an apocalyptic number.

It is an amenable number.

2121100000201 is a deficient number, since it is larger than the sum of its proper divisors (515331999287).

2121100000201 is a wasteful number, since it uses less digits than its factorization.

2121100000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230780232.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2121100000201 its reverse (1020000011212), we get a palindrome (3141100011413).

The spelling of 2121100000201 in words is "two trillion, one hundred twenty-one billion, one hundred million, two hundred one", and thus it is an aban number.