11020101011 has 4 divisors (see below), whose sum is σ = 11129211024. Its totient is φ = 10910991000.

The previous prime is 11020100989. The next prime is 11020101031. The reversal of 11020101011 is 11010102011.

It is a happy number.

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 11020101011 - 2¹⁴ = 11020084627 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 11020101011.

It is not an unprimeable number, because it can be changed into a prime (11020101031) 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, 54554855 + ... + 54555056.

It is an arithmetic number, because the mean of its divisors is an integer number (2782302756).

Almost surely, 2^11020101011 is an apocalyptic number.

11020101011 is a deficient number, since it is larger than the sum of its proper divisors (109110013).

11020101011 is a wasteful number, since it uses less digits than its factorization.

11020101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109110012.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11020101011 its reverse (11010102011), we get a palindrome (22030203022).

The spelling of 11020101011 in words is "eleven billion, twenty million, one hundred one thousand, eleven".