20113343011 has 2 divisors, whose sum is σ = 20113343012. Its totient is φ = 20113343010.

The previous prime is 20113342993. The next prime is 20113343017. The reversal of 20113343011 is 11034331102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20113343011 - 2¹¹ = 20113340963 is a prime.

It is a super-2 number, since 2×20113343011² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113343011.

It is not a weakly prime, because it can be changed into another prime (20113343017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056671505 + 10056671506.

It is an arithmetic number, because the mean of its divisors is an integer number (10056671506).

Almost surely, 2^20113343011 is an apocalyptic number.

20113343011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113343011 is an equidigital number, since it uses as much as digits as its factorization.

20113343011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20113343011 its reverse (11034331102), we get a palindrome (31147674113).

The spelling of 20113343011 in words is "twenty billion, one hundred thirteen million, three hundred forty-three thousand, eleven".