11212222101011 has 8 divisors (see below), whose sum is σ = 11562854976000. Its totient is φ = 10866942399880.

The previous prime is 11212222100957. The next prime is 11212222101037. The reversal of 11212222101011 is 11010122221211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212222101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212222101071) 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, 1338289211 + ... + 1338297588.

It is an arithmetic number, because the mean of its divisors is an integer number (1445356872000).

Almost surely, 2^{11212222101011} is an apocalyptic number.

11212222101011 is a deficient number, since it is larger than the sum of its proper divisors (350632874989).

11212222101011 is an equidigital number, since it uses as much as digits as its factorization.

11212222101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676586929.

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

Adding to 11212222101011 its reverse (11010122221211), we get a palindrome (22222344322222).

The spelling of 11212222101011 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-two million, one hundred one thousand, eleven".