11001222101211 has 8 divisors (see below), whose sum is σ = 14673690885120. Its totient is φ = 7331450692392.

The previous prime is 11001222101209. The next prime is 11001222101213. The reversal of 11001222101211 is 11210122210011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11001222101209) and next prime (11001222101213).

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

It is not a de Polignac number, because 11001222101211 - 2¹ = 11001222101209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001222101213) 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, 674334255 + ... + 674350568.

It is an arithmetic number, because the mean of its divisors is an integer number (1834211360640).

Almost surely, 2^{11001222101211} is an apocalyptic number.

11001222101211 is a deficient number, since it is larger than the sum of its proper divisors (3672468783909).

11001222101211 is a wasteful number, since it uses less digits than its factorization.

11001222101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348687545.

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

Adding to 11001222101211 its reverse (11210122210011), we get a palindrome (22211344311222).

The spelling of 11001222101211 in words is "eleven trillion, one billion, two hundred twenty-two million, one hundred one thousand, two hundred eleven".