1200200100511 has 2 divisors, whose sum is σ = 1200200100512. Its totient is φ = 1200200100510.

The previous prime is 1200200100481. The next prime is 1200200100523. The reversal of 1200200100511 is 1150010020021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200200100511 - 2⁷ = 1200200100383 is a prime.

It is a super-2 number, since 2×1200200100511² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200200100491 and 1200200100500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200200100551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600100050255 + 600100050256.

It is an arithmetic number, because the mean of its divisors is an integer number (600100050256).

Almost surely, 2^{1200200100511} is an apocalyptic number.

1200200100511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200200100511 is an equidigital number, since it uses as much as digits as its factorization.

1200200100511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 1200200100511 its reverse (1150010020021), we get a palindrome (2350210120532).

The spelling of 1200200100511 in words is "one trillion, two hundred billion, two hundred million, one hundred thousand, five hundred eleven".