11202222211 has 2 divisors, whose sum is σ = 11202222212. Its totient is φ = 11202222210.

The previous prime is 11202222193. The next prime is 11202222221. The reversal of 11202222211 is 11222220211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11202222211 - 2⁹ = 11202221699 is a prime.

It is not a weakly prime, because it can be changed into another prime (11202222221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601111105 + 5601111106.

It is an arithmetic number, because the mean of its divisors is an integer number (5601111106).

Almost surely, 2^11202222211 is an apocalyptic number.

11202222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202222211 is an equidigital number, since it uses as much as digits as its factorization.

11202222211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11202222211 its reverse (11222220211), we get a palindrome (22424442422).

The spelling of 11202222211 in words is "eleven billion, two hundred two million, two hundred twenty-two thousand, two hundred eleven".