1200011201011 has 16 divisors (see below), whose sum is σ = 1401326631936. Its totient is φ = 1006189137216.

The previous prime is 1200011200967. The next prime is 1200011201021. The reversal of 1200011201011 is 1101021100021.

It is a cyclic number.

It is not a de Polignac number, because 1200011201011 - 2¹¹ = 1200011198963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200011201021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264106 + ... + 1571551.

It is an arithmetic number, because the mean of its divisors is an integer number (87582914496).

Almost surely, 2^{1200011201011} is an apocalyptic number.

1200011201011 is a deficient number, since it is larger than the sum of its proper divisors (201315430925).

1200011201011 is a wasteful number, since it uses less digits than its factorization.

1200011201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837698.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1200011201011 its reverse (1101021100021), we get a palindrome (2301032301032).

The spelling of 1200011201011 in words is "one trillion, two hundred billion, eleven million, two hundred one thousand, eleven".