2021310344011 has 4 divisors (see below), whose sum is σ = 2310068964592. Its totient is φ = 1732551723432.

The previous prime is 2021310343999. The next prime is 2021310344017. The reversal of 2021310344011 is 1104430131202.

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 2021310344011 - 2⁵ = 2021310343979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021310344017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144379310280 + ... + 144379310293.

It is an arithmetic number, because the mean of its divisors is an integer number (577517241148).

Almost surely, 2^{2021310344011} is an apocalyptic number.

2021310344011 is a deficient number, since it is larger than the sum of its proper divisors (288758620581).

2021310344011 is an equidigital number, since it uses as much as digits as its factorization.

2021310344011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288758620580.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2021310344011 its reverse (1104430131202), we get a palindrome (3125740475213).

The spelling of 2021310344011 in words is "two trillion, twenty-one billion, three hundred ten million, three hundred forty-four thousand, eleven".