1111002222111 has 16 divisors (see below), whose sum is σ = 1493126774784. Its totient is φ = 734773896864.

The previous prime is 1111002222053. The next prime is 1111002222149. The reversal of 1111002222111 is 1112222001111.

It is a happy number.

It is not a de Polignac number, because 1111002222111 - 2⁹ = 1111002221599 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 (1111002202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4621266 + ... + 4855728.

It is an arithmetic number, because the mean of its divisors is an integer number (93320423424).

Almost surely, 2^{1111002222111} is an apocalyptic number.

1111002222111 is a deficient number, since it is larger than the sum of its proper divisors (382124552673).

1111002222111 is a wasteful number, since it uses less digits than its factorization.

1111002222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247030.

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

Adding to 1111002222111 its reverse (1112222001111), we get a palindrome (2223224223222).

The spelling of 1111002222111 in words is "one trillion, one hundred eleven billion, two million, two hundred twenty-two thousand, one hundred eleven".