11012201212211 has 4 divisors (see below), whose sum is σ = 11012276195424. Its totient is φ = 11012126229000.

The previous prime is 11012201212169. The next prime is 11012201212231. The reversal of 11012201212211 is 11221210221011.

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 11012201212211 - 2¹⁸ = 11012200950067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012201212211.

It is not an unprimeable number, because it can be changed into a prime (11012201212231) 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 3 ways as a sum of consecutive naturals, for example, 37270880 + ... + 37565181.

It is an arithmetic number, because the mean of its divisors is an integer number (2753069048856).

Almost surely, 2^{11012201212211} is an apocalyptic number.

11012201212211 is a deficient number, since it is larger than the sum of its proper divisors (74983213).

11012201212211 is an equidigital number, since it uses as much as digits as its factorization.

11012201212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74983212.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11012201212211 its reverse (11221210221011), we get a palindrome (22233411433222).

The spelling of 11012201212211 in words is "eleven trillion, twelve billion, two hundred one million, two hundred twelve thousand, two hundred eleven".