1200111200211 has 64 divisors (see below), whose sum is σ = 2133257389056. Its totient is φ = 580952064000.

The previous prime is 1200111200153. The next prime is 1200111200237. The reversal of 1200111200211 is 1120021110021.

It is not a de Polignac number, because 1200111200211 - 2¹⁹ = 1200110675923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200111000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1116270 + ... + 1909523.

It is an arithmetic number, because the mean of its divisors is an integer number (33332146704).

Almost surely, 2^{1200111200211} is an apocalyptic number.

1200111200211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200111200211 is a deficient number, since it is larger than the sum of its proper divisors (933146188845).

1200111200211 is a wasteful number, since it uses less digits than its factorization.

1200111200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025932.

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

Adding to 1200111200211 its reverse (1120021110021), we get a palindrome (2320132310232).

The spelling of 1200111200211 in words is "one trillion, two hundred billion, one hundred eleven million, two hundred thousand, two hundred eleven".