11011002021211 has 8 divisors (see below), whose sum is σ = 11607062734800. Its totient is φ = 10416594736800.

The previous prime is 11011002021209. The next prime is 11011002021263. The reversal of 11011002021211 is 11212020011011.

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 not a de Polignac number, because 11011002021211 - 2¹ = 11011002021209 is a prime.

It is a super-2 number, since 2×11011002021211² (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 = 11011002021191 and 11011002021200.

It is not an unprimeable number, because it can be changed into a prime (11011002021611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413343616 + ... + 413370253.

It is an arithmetic number, because the mean of its divisors is an integer number (1450882841850).

Almost surely, 2^{11011002021211} is an apocalyptic number.

11011002021211 is a deficient number, since it is larger than the sum of its proper divisors (596060713589).

11011002021211 is an equidigital number, since it uses as much as digits as its factorization.

11011002021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826714589.

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

Adding to 11011002021211 its reverse (11212020011011), we get a palindrome (22223022032222).

The spelling of 11011002021211 in words is "eleven trillion, eleven billion, two million, twenty-one thousand, two hundred eleven".