11020000021021 has 8 divisors (see below), whose sum is σ = 11042570043000. Its totient is φ = 10997441237760.

The previous prime is 11020000021003. The next prime is 11020000021091. The reversal of 11020000021021 is 12012000002011.

11020000021021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 404693184025 + 10615306836996 = 636155^2 + 3258114^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11020000021021 - 2⁹ = 11020000020509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020000020989 and 11020000021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020000021091) 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, 845190 + ... + 4770151.

It is an arithmetic number, because the mean of its divisors is an integer number (1380321255375).

Almost surely, 2^{11020000021021} is an apocalyptic number.

It is an amenable number.

11020000021021 is a deficient number, since it is larger than the sum of its proper divisors (22570021979).

11020000021021 is an equidigital number, since it uses as much as digits as its factorization.

11020000021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619359.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11020000021021 its reverse (12012000002011), we get a palindrome (23032000023032).

The spelling of 11020000021021 in words is "eleven trillion, twenty billion, twenty-one thousand, twenty-one".