2221101102111 has 16 divisors (see below), whose sum is σ = 2970589423200. Its totient is φ = 1476175242240.

The previous prime is 2221101102109. The next prime is 2221101102127. The reversal of 2221101102111 is 1112011011222.

It is a happy number.

It is not a de Polignac number, because 2221101102111 - 2¹ = 2221101102109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221101102161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4718211 + ... + 5167563.

It is an arithmetic number, because the mean of its divisors is an integer number (185661838950).

Almost surely, 2^{2221101102111} is an apocalyptic number.

2221101102111 is a deficient number, since it is larger than the sum of its proper divisors (749488321089).

2221101102111 is a wasteful number, since it uses less digits than its factorization.

2221101102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454426.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2221101102111 its reverse (1112011011222), we get a palindrome (3333112113333).

The spelling of 2221101102111 in words is "two trillion, two hundred twenty-one billion, one hundred one million, one hundred two thousand, one hundred eleven".