2222001111 has 16 divisors (see below), whose sum is σ = 3264006528. Its totient is φ = 1333332000.

The previous prime is 2222001073. The next prime is 2222001139. The reversal of 2222001111 is 1111002222.

It is not a de Polignac number, because 2222001111 - 2¹¹ = 2221999063 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222001211) 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, 330001 + ... + 336666.

It is an arithmetic number, because the mean of its divisors is an integer number (204000408).

Almost surely, 2^2222001111 is an apocalyptic number.

2222001111 is a deficient number, since it is larger than the sum of its proper divisors (1042005417).

2222001111 is a wasteful number, since it uses less digits than its factorization.

2222001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666782.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2222001111 is about 47138.1067820930. The cubic root of 2222001111 is about 1304.9125978956.

Adding to 2222001111 its reverse (1111002222), we get a palindrome (3333003333).

The spelling of 2222001111 in words is "two billion, two hundred twenty-two million, one thousand, one hundred eleven".