11011002221211 has 8 divisors (see below), whose sum is σ = 14681383074624. Its totient is φ = 7340644757640.

The previous prime is 11011002221183. The next prime is 11011002221213. The reversal of 11011002221211 is 11212220011011.

It is a happy number.

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

It is not a de Polignac number, because 11011002221211 - 2¹⁰ = 11011002220187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011002221213) 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, 4717845 + ... + 6654326.

It is an arithmetic number, because the mean of its divisors is an integer number (1835172884328).

Almost surely, 2^{11011002221211} is an apocalyptic number.

11011002221211 is a deficient number, since it is larger than the sum of its proper divisors (3670380853413).

11011002221211 is a wasteful number, since it uses less digits than its factorization.

11011002221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694921.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11011002221211 its reverse (11212220011011), we get a palindrome (22223222232222).

The spelling of 11011002221211 in words is "eleven trillion, eleven billion, two million, two hundred twenty-one thousand, two hundred eleven".