2102221100111 has 16 divisors (see below), whose sum is σ = 2368442488320. Its totient is φ = 1849431862080.

The previous prime is 2102221100107. The next prime is 2102221100123. The reversal of 2102221100111 is 1110011222012.

It is not a de Polignac number, because 2102221100111 - 2² = 2102221100107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102221100711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22797761 + ... + 22889786.

It is an arithmetic number, because the mean of its divisors is an integer number (148027655520).

Almost surely, 2^{2102221100111} is an apocalyptic number.

2102221100111 is a deficient number, since it is larger than the sum of its proper divisors (266221388209).

2102221100111 is a wasteful number, since it uses less digits than its factorization.

2102221100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45687694.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102221100111 its reverse (1110011222012), we get a palindrome (3212232322123).

The spelling of 2102221100111 in words is "two trillion, one hundred two billion, two hundred twenty-one million, one hundred thousand, one hundred eleven".