1201244210011 has 4 divisors (see below), whose sum is σ = 1201275595224. Its totient is φ = 1201212824800.

The previous prime is 1201244209961. The next prime is 1201244210039. The reversal of 1201244210011 is 1100124421021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201244210011 - 2³³ = 1192654275419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201241210011) 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 3 ways as a sum of consecutive naturals, for example, 15635125 + ... + 15711766.

It is an arithmetic number, because the mean of its divisors is an integer number (300318898806).

Almost surely, 2^{1201244210011} is an apocalyptic number.

1201244210011 is a deficient number, since it is larger than the sum of its proper divisors (31385213).

1201244210011 is an equidigital number, since it uses as much as digits as its factorization.

1201244210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31385212.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1201244210011 its reverse (1100124421021), we get a palindrome (2301368631032).

The spelling of 1201244210011 in words is "one trillion, two hundred one billion, two hundred forty-four million, two hundred ten thousand, eleven".