2212121221202 has 8 divisors (see below), whose sum is σ = 3318241504176. Its totient is φ = 1106040719812.

The previous prime is 2212121221157. The next prime is 2212121221237. The reversal of 2212121221202 is 2021221212122.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9805988 + ... + 10029039.

It is an arithmetic number, because the mean of its divisors is an integer number (414780188022).

Almost surely, 2^{2212121221202} is an apocalyptic number.

2212121221202 is a deficient number, since it is larger than the sum of its proper divisors (1106120282974).

2212121221202 is a wasteful number, since it uses less digits than its factorization.

2212121221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890792.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212121221202 its reverse (2021221212122), we get a palindrome (4233342433324).

The spelling of 2212121221202 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred two".