11220121122047 has 2 divisors, whose sum is σ = 11220121122048. Its totient is φ = 11220121122046.

The previous prime is 11220121122017. The next prime is 11220121122071. The reversal of 11220121122047 is 74022112102211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11220121122047 - 2⁴⁰ = 10120609494271 is a prime.

It is a super-2 number, since 2×11220121122047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220121122017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610060561023 + 5610060561024.

It is an arithmetic number, because the mean of its divisors is an integer number (5610060561024).

Almost surely, 2^{11220121122047} is an apocalyptic number.

11220121122047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220121122047 is an equidigital number, since it uses as much as digits as its factorization.

11220121122047 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11220121122047 its reverse (74022112102211), we get a palindrome (85242233224258).

The spelling of 11220121122047 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, forty-seven".