11013121211 has 8 divisors (see below), whose sum is σ = 11498152704. Its totient is φ = 10528606440.

The previous prime is 11013121201. The next prime is 11013121241. The reversal of 11013121211 is 11212131011.

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 11013121211 - 2¹⁰ = 11013120187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013121201) 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, 85295 + ... + 171176.

It is an arithmetic number, because the mean of its divisors is an integer number (1437269088).

Almost surely, 2^11013121211 is an apocalyptic number.

11013121211 is a deficient number, since it is larger than the sum of its proper divisors (485031493).

11013121211 is a wasteful number, since it uses less digits than its factorization.

11013121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258361.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11013121211 its reverse (11212131011), we get a palindrome (22225252222).

The spelling of 11013121211 in words is "eleven billion, thirteen million, one hundred twenty-one thousand, two hundred eleven".