2102220111211 has 16 divisors (see below), whose sum is σ = 2312908295040. Its totient is φ = 1894850781120.

The previous prime is 2102220111203. The next prime is 2102220111217. The reversal of 2102220111211 is 1121110222012.

It is not a de Polignac number, because 2102220111211 - 2³ = 2102220111203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102220111217) 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, 647850 + ... + 2150383.

It is an arithmetic number, because the mean of its divisors is an integer number (144556768440).

Almost surely, 2^{2102220111211} is an apocalyptic number.

2102220111211 is a deficient number, since it is larger than the sum of its proper divisors (210688183829).

2102220111211 is a wasteful number, since it uses less digits than its factorization.

2102220111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798826.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2102220111211 its reverse (1121110222012), we get a palindrome (3223330333223).

The spelling of 2102220111211 in words is "two trillion, one hundred two billion, two hundred twenty million, one hundred eleven thousand, two hundred eleven".