1200112210011 has 64 divisors (see below), whose sum is σ = 1994473152000. Its totient is φ = 630629591040.

The previous prime is 1200112210001. The next prime is 1200112210021. The reversal of 1200112210011 is 1100122110021.

It is an interprime number because it is at equal distance from previous prime (1200112210001) and next prime (1200112210021).

It is a de Polignac number, because none of the positive numbers 2^k-1200112210011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200112210001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3474321 + ... + 3804093.

It is an arithmetic number, because the mean of its divisors is an integer number (31163643000).

Almost surely, 2^{1200112210011} is an apocalyptic number.

1200112210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200112210011 is a deficient number, since it is larger than the sum of its proper divisors (794360941989).

1200112210011 is a wasteful number, since it uses less digits than its factorization.

1200112210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330316.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200112210011 its reverse (1100122110021), we get a palindrome (2300234320032).

The spelling of 1200112210011 in words is "one trillion, two hundred billion, one hundred twelve million, two hundred ten thousand, eleven".