2011331240101 has 4 divisors (see below), whose sum is σ = 2011353682432. Its totient is φ = 2011308797772.

The previous prime is 2011331240003. The next prime is 2011331240129. The reversal of 2011331240101 is 1010421331102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011331240101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011331240201) 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 3 ways as a sum of consecutive naturals, for example, 11086191 + ... + 11266156.

It is an arithmetic number, because the mean of its divisors is an integer number (502838420608).

Almost surely, 2^{2011331240101} is an apocalyptic number.

It is an amenable number.

2011331240101 is a deficient number, since it is larger than the sum of its proper divisors (22442331).

2011331240101 is an equidigital number, since it uses as much as digits as its factorization.

2011331240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22442330.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2011331240101 its reverse (1010421331102), we get a palindrome (3021752571203).

The spelling of 2011331240101 in words is "two trillion, eleven billion, three hundred thirty-one million, two hundred forty thousand, one hundred one".