11001012213211 has 4 divisors (see below), whose sum is σ = 11648130578712. Its totient is φ = 10353893847712.

The previous prime is 11001012213209. The next prime is 11001012213287. The reversal of 11001012213211 is 11231221010011.

It is a happy number.

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 11001012213211 - 2¹ = 11001012213209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001012213311) 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, 323559182725 + ... + 323559182758.

It is an arithmetic number, because the mean of its divisors is an integer number (2912032644678).

Almost surely, 2^{11001012213211} is an apocalyptic number.

11001012213211 is a deficient number, since it is larger than the sum of its proper divisors (647118365501).

11001012213211 is an equidigital number, since it uses as much as digits as its factorization.

11001012213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647118365500.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11001012213211 its reverse (11231221010011), we get a palindrome (22232233223222).

The spelling of 11001012213211 in words is "eleven trillion, one billion, twelve million, two hundred thirteen thousand, two hundred eleven".