11202221221127 has 2 divisors, whose sum is σ = 11202221221128. Its totient is φ = 11202221221126.

The previous prime is 11202221221073. The next prime is 11202221221129. The reversal of 11202221221127 is 72112212220211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11202221221127 - 2¹⁴ = 11202221204743 is a prime.

Together with 11202221221129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202221221096 and 11202221221105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202221221129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601110610563 + 5601110610564.

It is an arithmetic number, because the mean of its divisors is an integer number (5601110610564).

Almost surely, 2^{11202221221127} is an apocalyptic number.

11202221221127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202221221127 is an equidigital number, since it uses as much as digits as its factorization.

11202221221127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 11202221221127 its reverse (72112212220211), we get a palindrome (83314433441338).

The spelling of 11202221221127 in words is "eleven trillion, two hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-seven".