1111200222011 has 4 divisors (see below), whose sum is σ = 1212218424024. Its totient is φ = 1010182020000.

The previous prime is 1111200222007. The next prime is 1111200222037. The reversal of 1111200222011 is 1102220021111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111200222011 - 2² = 1111200222007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111200228011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50509100990 + ... + 50509101011.

It is an arithmetic number, because the mean of its divisors is an integer number (303054606006).

Almost surely, 2^{1111200222011} is an apocalyptic number.

1111200222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111200222011 is a deficient number, since it is larger than the sum of its proper divisors (101018202013).

1111200222011 is a wasteful number, since it uses less digits than its factorization.

1111200222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101018202012.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111200222011 its reverse (1102220021111), we get a palindrome (2213420243122).

The spelling of 1111200222011 in words is "one trillion, one hundred eleven billion, two hundred million, two hundred twenty-two thousand, eleven".