2101222022210 has 8 divisors (see below), whose sum is σ = 3782199639996. Its totient is φ = 840488808880.

The previous prime is 2101222022203. The next prime is 2101222022299. The reversal of 2101222022210 is 122202221012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2040232286689 + 60989735521 = 1428367^2 + 246961^2 .

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, 105061101101 + ... + 105061101120.

Almost surely, 2^{2101222022210} is an apocalyptic number.

2101222022210 is a deficient number, since it is larger than the sum of its proper divisors (1680977617786).

2101222022210 is a wasteful number, since it uses less digits than its factorization.

2101222022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210122202228.

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

Adding to 2101222022210 its reverse (122202221012), we get a palindrome (2223424243222).

The spelling of 2101222022210 in words is "two trillion, one hundred one billion, two hundred twenty-two million, twenty-two thousand, two hundred ten".