2102222202101 has 12 divisors (see below), whose sum is σ = 2469228134688. Its totient is φ = 1753204608432.

The previous prime is 2102222202097. The next prime is 2102222202139. The reversal of 2102222202101 is 1012022222012.

It is a happy number.

It is not a de Polignac number, because 2102222202101 - 2² = 2102222202097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102222202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102222202151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109675391 + ... + 109694556.

It is an arithmetic number, because the mean of its divisors is an integer number (205769011224).

Almost surely, 2^{2102222202101} is an apocalyptic number.

It is an amenable number.

2102222202101 is a deficient number, since it is larger than the sum of its proper divisors (367005932587).

2102222202101 is an equidigital number, since it uses as much as digits as its factorization.

2102222202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219370028 (or 219369991 counting only the distinct ones).

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

Adding to 2102222202101 its reverse (1012022222012), we get a palindrome (3114244424113).

The spelling of 2102222202101 in words is "two trillion, one hundred two billion, two hundred twenty-two million, two hundred two thousand, one hundred one".