11202212021111 has 16 divisors (see below), whose sum is σ = 11374101518400. Its totient is φ = 11031360012288.

The previous prime is 11202212021107. The next prime is 11202212021123. The reversal of 11202212021111 is 11112021220211.

It is a cyclic number.

It is not a de Polignac number, because 11202212021111 - 2² = 11202212021107 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 11202212021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202212021101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144724526 + ... + 144801908.

It is an arithmetic number, because the mean of its divisors is an integer number (710881344900).

Almost surely, 2^{11202212021111} is an apocalyptic number.

11202212021111 is a deficient number, since it is larger than the sum of its proper divisors (171889497289).

11202212021111 is an equidigital number, since it uses as much as digits as its factorization.

11202212021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84058.

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

Adding to 11202212021111 its reverse (11112021220211), we get a palindrome (22314233241322).

The spelling of 11202212021111 in words is "eleven trillion, two hundred two billion, two hundred twelve million, twenty-one thousand, one hundred eleven".