11021001012211 has 4 divisors (see below), whose sum is σ = 11021037275952. Its totient is φ = 11020964748472.

The previous prime is 11021001012209. The next prime is 11021001012347. The reversal of 11021001012211 is 11221010012011.

It is a happy number.

11021001012211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11021001012211 - 2¹ = 11021001012209 is a prime.

It is a super-2 number, since 2×11021001012211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021001012191 and 11021001012200.

It is not an unprimeable number, because it can be changed into a prime (11021001012911) 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, 17672116 + ... + 18285121.

It is an arithmetic number, because the mean of its divisors is an integer number (2755259318988).

Almost surely, 2^{11021001012211} is an apocalyptic number.

11021001012211 is a deficient number, since it is larger than the sum of its proper divisors (36263741).

11021001012211 is an equidigital number, since it uses as much as digits as its factorization.

11021001012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36263740.

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

Adding to 11021001012211 its reverse (11221010012011), we get a palindrome (22242011024222).

The spelling of 11021001012211 in words is "eleven trillion, twenty-one billion, one million, twelve thousand, two hundred eleven".