2121102102201 has 8 divisors (see below), whose sum is σ = 2831324568384. Its totient is φ = 1412473852080.

The previous prime is 2121102102199. The next prime is 2121102102209. The reversal of 2121102102201 is 1022012011212.

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

It is not a de Polignac number, because 2121102102201 - 2¹ = 2121102102199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121102102209) 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, 398550910 + ... + 398556231.

It is an arithmetic number, because the mean of its divisors is an integer number (353915571048).

Almost surely, 2^{2121102102201} is an apocalyptic number.

It is an amenable number.

2121102102201 is a deficient number, since it is larger than the sum of its proper divisors (710222466183).

2121102102201 is an equidigital number, since it uses as much as digits as its factorization.

2121102102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797108031.

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

Adding to 2121102102201 its reverse (1022012011212), we get a palindrome (3143114113413).

The spelling of 2121102102201 in words is "two trillion, one hundred twenty-one billion, one hundred two million, one hundred two thousand, two hundred one".