2212222221010 has 16 divisors (see below), whose sum is σ = 3999090130776. Its totient is φ = 881091081088.

The previous prime is 2212222220939. The next prime is 2212222221059. The reversal of 2212222221010 is 101222222122.

It can be written as a sum of positive squares in 4 ways, for example, as 1903674189169 + 308548031841 = 1379737^2 + 555471^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474723469 + ... + 474728128.

Almost surely, 2^{2212222221010} is an apocalyptic number.

2212222221010 is a deficient number, since it is larger than the sum of its proper divisors (1786867909766).

2212222221010 is a wasteful number, since it uses less digits than its factorization.

2212222221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949451837.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2212222221010 its reverse (101222222122), we get a palindrome (2313444443132).

The spelling of 2212222221010 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, ten".