2212121102210 has 16 divisors (see below), whose sum is σ = 4066537516416. Its totient is φ = 866021878128.

The previous prime is 2212121102209. The next prime is 2212121102239. The reversal of 2212121102210 is 122011212122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353319852 + ... + 2353320791.

It is an arithmetic number, because the mean of its divisors is an integer number (254158594776).

Almost surely, 2^{2212121102210} is an apocalyptic number.

2212121102210 is a deficient number, since it is larger than the sum of its proper divisors (1854416414206).

2212121102210 is a wasteful number, since it uses less digits than its factorization.

2212121102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706640697.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2212121102210 its reverse (122011212122), we get a palindrome (2334132314332).

The spelling of 2212121102210 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, one hundred two thousand, two hundred ten".