11021011011011 has 8 divisors (see below), whose sum is σ = 11047309740000. Its totient is φ = 10994720074240.

The previous prime is 11021011010981. The next prime is 11021011011047. The reversal of 11021011011011 is 11011011012011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021011011011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021011010983 and 11021011011001.

It is not an unprimeable number, because it can be changed into a prime (11021011011911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888965 + ... + 4778313.

It is an arithmetic number, because the mean of its divisors is an integer number (1380913717500).

Almost surely, 2^{11021011011011} is an apocalyptic number.

11021011011011 is a deficient number, since it is larger than the sum of its proper divisors (26298728989).

11021011011011 is an equidigital number, since it uses as much as digits as its factorization.

11021011011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896109.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11021011011011 its reverse (11011011012011), we get a palindrome (22032022023022).

It can be divided in two parts, 1102101 and 1011011, that added together give a palindrome (2113112).

The spelling of 11021011011011 in words is "eleven trillion, twenty-one billion, eleven million, eleven thousand, eleven".