1200020010011 has 16 divisors (see below), whose sum is σ = 1229489740800. Its totient is φ = 1170920836800.

The previous prime is 1200020009963. The next prime is 1200020010017. The reversal of 1200020010011 is 1100100200021.

It is a cyclic number.

It is not a de Polignac number, because 1200020010011 - 2²² = 1200015815707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200020010017) 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 in 15 ways as a sum of consecutive naturals, for example, 14096906 + ... + 14181776.

It is an arithmetic number, because the mean of its divisors is an integer number (76843108800).

Almost surely, 2^{1200020010011} is an apocalyptic number.

1200020010011 is a deficient number, since it is larger than the sum of its proper divisors (29469730789).

1200020010011 is an equidigital number, since it uses as much as digits as its factorization.

1200020010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87050.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1200020010011 its reverse (1100100200021), we get a palindrome (2300120210032).

The spelling of 1200020010011 in words is "one trillion, two hundred billion, twenty million, ten thousand, eleven".