2121310202201 has 8 divisors (see below), whose sum is σ = 2233172467680. Its totient is φ = 2009469372768.

The previous prime is 2121310202197. The next prime is 2121310202237. The reversal of 2121310202201 is 1022020131212.

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 2121310202201 - 2² = 2121310202197 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 2121310202201.

It is not an unprimeable number, because it can be changed into a prime (2121310202101) 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, 5155676 + ... + 5551901.

It is an arithmetic number, because the mean of its divisors is an integer number (279146558460).

Almost surely, 2^{2121310202201} is an apocalyptic number.

It is an amenable number.

2121310202201 is a deficient number, since it is larger than the sum of its proper divisors (111862265479).

2121310202201 is a wasteful number, since it uses less digits than its factorization.

2121310202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10718023.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121310202201 its reverse (1022020131212), we get a palindrome (3143330333413).

The spelling of 2121310202201 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, two hundred two thousand, two hundred one".