211020000011 has 4 divisors (see below), whose sum is σ = 211025301024. Its totient is φ = 211014699000.

The previous prime is 211019999969. The next prime is 211020000071. The reversal of 211020000011 is 110000020112.

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 211020000011 - 2¹⁴ = 211019983627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211020000071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590340 + ... + 2670561.

It is an arithmetic number, because the mean of its divisors is an integer number (52756325256).

Almost surely, 2^211020000011 is an apocalyptic number.

211020000011 is a deficient number, since it is larger than the sum of its proper divisors (5301013).

211020000011 is an equidigital number, since it uses as much as digits as its factorization.

211020000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301012.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 211020000011 its reverse (110000020112), we get a palindrome (321020020123).

The spelling of 211020000011 in words is "two hundred eleven billion, twenty million, eleven", and thus it is an aban number.