1200200110011 has 24 divisors (see below), whose sum is σ = 2045195070464. Its totient is φ = 663705128880.

The previous prime is 1200200110001. The next prime is 1200200110013. The reversal of 1200200110011 is 1100110020021.

It is a happy number.

It is not a de Polignac number, because 1200200110011 - 2³⁷ = 1062761156539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

1200200110011 is a modest number, since divided by 110011 gives 12002 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1200200109975 and 1200200110002.

It is not an unprimeable number, because it can be changed into a prime (1200200110013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307268941 + ... + 307272846.

Almost surely, 2^{1200200110011} is an apocalyptic number.

1200200110011 is a deficient number, since it is larger than the sum of its proper divisors (844994960453).

1200200110011 is a wasteful number, since it uses less digits than its factorization.

1200200110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614541831 (or 614541828 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1200200110011 its reverse (1100110020021), we get a palindrome (2300310130032).

The spelling of 1200200110011 in words is "one trillion, two hundred billion, two hundred million, one hundred ten thousand, eleven".