11112211002111 has 32 divisors (see below), whose sum is σ = 15172047340032. Its totient is φ = 7230514636800.

The previous prime is 11112211002107. The next prime is 11112211002127. The reversal of 11112211002111 is 11120011221111.

It is not a de Polignac number, because 11112211002111 - 2² = 11112211002107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112211002611) 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, 1695740811 + ... + 1695747363.

It is an arithmetic number, because the mean of its divisors is an integer number (474126479376).

Almost surely, 2^{11112211002111} is an apocalyptic number.

11112211002111 is a deficient number, since it is larger than the sum of its proper divisors (4059836337921).

11112211002111 is a wasteful number, since it uses less digits than its factorization.

11112211002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11112211002111 its reverse (11120011221111), we get a palindrome (22232222223222).

The spelling of 11112211002111 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, two thousand, one hundred eleven".