2121200112201 has 8 divisors (see below), whose sum is σ = 2919501229824. Its totient is φ = 1368516201360.

The previous prime is 2121200112197. The next prime is 2121200112221. The reversal of 2121200112201 is 1022110021212.

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

It is not a de Polignac number, because 2121200112201 - 2² = 2121200112197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121200112221) 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 7 ways as a sum of consecutive naturals, for example, 11404301586 + ... + 11404301771.

It is an arithmetic number, because the mean of its divisors is an integer number (364937653728).

Almost surely, 2^{2121200112201} is an apocalyptic number.

It is an amenable number.

2121200112201 is a deficient number, since it is larger than the sum of its proper divisors (798301117623).

2121200112201 is a wasteful number, since it uses less digits than its factorization.

2121200112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22808603391.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2121200112201 its reverse (1022110021212), we get a palindrome (3143310133413).

The spelling of 2121200112201 in words is "two trillion, one hundred twenty-one billion, two hundred million, one hundred twelve thousand, two hundred one".