1111102222111 has 16 divisors (see below), whose sum is σ = 1276930621440. Its totient is φ = 947052227520.

The previous prime is 1111102222103. The next prime is 1111102222121. The reversal of 1111102222111 is 1112222011111.

It is not a de Polignac number, because 1111102222111 - 2³ = 1111102222103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111102222121) 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, 3674370 + ... + 3965248.

It is an arithmetic number, because the mean of its divisors is an integer number (79808163840).

Almost surely, 2^{1111102222111} is an apocalyptic number.

1111102222111 is a deficient number, since it is larger than the sum of its proper divisors (165828399329).

1111102222111 is a wasteful number, since it uses less digits than its factorization.

1111102222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293934.

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

Adding to 1111102222111 its reverse (1112222011111), we get a palindrome (2223324233222).

The spelling of 1111102222111 in words is "one trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred eleven".