11020212101011 has 4 divisors (see below), whose sum is σ = 11159708456800. Its totient is φ = 10880715745224.

The previous prime is 11020212100969. The next prime is 11020212101029. The reversal of 11020212101011 is 11010121202011.

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 11020212101011 - 2²³ = 11020203712403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020212100982 and 11020212101000.

It is not an unprimeable number, because it can be changed into a prime (11020212101081) 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, 69748177776 + ... + 69748177933.

It is an arithmetic number, because the mean of its divisors is an integer number (2789927114200).

Almost surely, 2^{11020212101011} is an apocalyptic number.

11020212101011 is a deficient number, since it is larger than the sum of its proper divisors (139496355789).

11020212101011 is an equidigital number, since it uses as much as digits as its factorization.

11020212101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139496355788.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11020212101011 its reverse (11010121202011), we get a palindrome (22030333303022).

The spelling of 11020212101011 in words is "eleven trillion, twenty billion, two hundred twelve million, one hundred one thousand, eleven".