2110221021111 has 32 divisors (see below), whose sum is σ = 3386859471360. Its totient is φ = 1141685508096.

The previous prime is 2110221021079. The next prime is 2110221021119. The reversal of 2110221021111 is 1111201220112.

It is a happy number.

It is not a de Polignac number, because 2110221021111 - 2⁵ = 2110221021079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110221021119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934746 + ... + 2257031.

It is an arithmetic number, because the mean of its divisors is an integer number (105839358480).

Almost surely, 2^{2110221021111} is an apocalyptic number.

2110221021111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2110221021111 is a deficient number, since it is larger than the sum of its proper divisors (1276638450249).

2110221021111 is a wasteful number, since it uses less digits than its factorization.

2110221021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193463.

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

Adding to 2110221021111 its reverse (1111201220112), we get a palindrome (3221422241223).

The spelling of 2110221021111 in words is "two trillion, one hundred ten billion, two hundred twenty-one million, twenty-one thousand, one hundred eleven".