2102222202111 has 24 divisors (see below), whose sum is σ = 3091965290544. Its totient is φ = 1375986044160.

The previous prime is 2102222202097. The next prime is 2102222202139. The reversal of 2102222202111 is 1112022222012.

It is a happy number.

2102222202111 is a `hidden beast` number, since 2 + 10 + 222 + 220 + 211 + 1 = 666.

It is not a de Polignac number, because 2102222202111 - 2¹⁰ = 2102222201087 is a prime.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3199866 + ... + 3800471.

It is an arithmetic number, because the mean of its divisors is an integer number (128831887106).

Almost surely, 2^{2102222202111} is an apocalyptic number.

2102222202111 is a deficient number, since it is larger than the sum of its proper divisors (989743088433).

2102222202111 is a wasteful number, since it uses less digits than its factorization.

2102222202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000951 (or 7000948 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2102222202111 its reverse (1112022222012), we get a palindrome (3214244424123).

The spelling of 2102222202111 in words is "two trillion, one hundred two billion, two hundred twenty-two million, two hundred two thousand, one hundred eleven".