2121212200202 has 8 divisors (see below), whose sum is σ = 3211554920256. Its totient is φ = 1050693893452.

The previous prime is 2121212200157. The next prime is 2121212200241. The reversal of 2121212200202 is 2020022121212.

It is a happy number.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4956103058 + ... + 4956103485.

It is an arithmetic number, because the mean of its divisors is an integer number (401444365032).

Almost surely, 2^{2121212200202} is an apocalyptic number.

2121212200202 is a deficient number, since it is larger than the sum of its proper divisors (1090342720054).

2121212200202 is a wasteful number, since it uses less digits than its factorization.

2121212200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912206652.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2121212200202 its reverse (2020022121212), we get a palindrome (4141234321414).

The spelling of 2121212200202 in words is "two trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thousand, two hundred two".