22212102212210 has 16 divisors (see below), whose sum is σ = 40529479654296. Its totient is φ = 8763130735488.

The previous prime is 22212102212147. The next prime is 22212102212299. The reversal of 22212102212210 is 1221220121222.

It can be written as a sum of positive squares in 4 ways, for example, as 16707321076681 + 5504781135529 = 4087459^2 + 2346227^2 .

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, 15213767909 + ... + 15213769368.

Almost surely, 2^{22212102212210} is an apocalyptic number.

22212102212210 is a deficient number, since it is larger than the sum of its proper divisors (18317377442086).

22212102212210 is a wasteful number, since it uses less digits than its factorization.

22212102212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30427537357.

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

Adding to 22212102212210 its reverse (1221220121222), we get a palindrome (23433322333432).

The spelling of 22212102212210 in words is "twenty-two trillion, two hundred twelve billion, one hundred two million, two hundred twelve thousand, two hundred ten".