2221022012111 has 24 divisors (see below), whose sum is σ = 2587313349504. Its totient is φ = 1901026214640.

The previous prime is 2221022012071. The next prime is 2221022012179. The reversal of 2221022012111 is 1112102201222.

2221022012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221022012111 - 2¹⁴ = 2221021995727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221022012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221022092111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235497566 + ... + 235506996.

It is an arithmetic number, because the mean of its divisors is an integer number (107804722896).

Almost surely, 2^{2221022012111} is an apocalyptic number.

2221022012111 is a deficient number, since it is larger than the sum of its proper divisors (366291337393).

2221022012111 is an equidigital number, since it uses as much as digits as its factorization.

2221022012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771 (or 15764 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221022012111 its reverse (1112102201222), we get a palindrome (3333124213333).

The spelling of 2221022012111 in words is "two trillion, two hundred twenty-one billion, twenty-two million, twelve thousand, one hundred eleven".