20013313211011 has 4 divisors (see below), whose sum is σ = 20013564420832. Its totient is φ = 20013062001192.

The previous prime is 20013313210993. The next prime is 20013313211029. The reversal of 20013313211011 is 11011231331002.

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

It is an interprime number because it is at equal distance from previous prime (20013313210993) and next prime (20013313211029).

It is a cyclic number.

It is not a de Polignac number, because 20013313211011 - 2¹³ = 20013313202819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20013313211011.

It is not an unprimeable number, because it can be changed into a prime (20013313211711) 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, 125485371 + ... + 125644756.

It is an arithmetic number, because the mean of its divisors is an integer number (5003391105208).

Almost surely, 2^{20013313211011} is an apocalyptic number.

20013313211011 is a deficient number, since it is larger than the sum of its proper divisors (251209821).

20013313211011 is an equidigital number, since it uses as much as digits as its factorization.

20013313211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251209820.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20013313211011 its reverse (11011231331002), we get a palindrome (31024544542013).

The spelling of 20013313211011 in words is "twenty trillion, thirteen billion, three hundred thirteen million, two hundred eleven thousand, eleven".