2221001110111 has 32 divisors (see below), whose sum is σ = 2788729574400. Its totient is φ = 1724685177600.

The previous prime is 2221001110087. The next prime is 2221001110151. The reversal of 2221001110111 is 1110111001222.

It is a happy number.

It is not a de Polignac number, because 2221001110111 - 2¹¹ = 2221001108063 is a prime.

It is a super-2 number, since 2×2221001110111² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221001110091 and 2221001110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221001110151) 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, 12764445 + ... + 12937273.

It is an arithmetic number, because the mean of its divisors is an integer number (87147799200).

Almost surely, 2^{2221001110111} is an apocalyptic number.

2221001110111 is a deficient number, since it is larger than the sum of its proper divisors (567728464289).

2221001110111 is a wasteful number, since it uses less digits than its factorization.

2221001110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177079.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2221001110111 its reverse (1110111001222), we get a palindrome (3331112111333).

The spelling of 2221001110111 in words is "two trillion, two hundred twenty-one billion, one million, one hundred ten thousand, one hundred eleven".