11220300121 has 2 divisors, whose sum is σ = 11220300122. Its totient is φ = 11220300120.

The previous prime is 11220300107. The next prime is 11220300193. The reversal of 11220300121 is 12100302211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8612768025 + 2607532096 = 92805^2 + 51064^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220300121 - 2⁵ = 11220300089 is a prime.

It is a super-2 number, since 2×11220300121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11220306121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610150060 + 5610150061.

It is an arithmetic number, because the mean of its divisors is an integer number (5610150061).

Almost surely, 2^11220300121 is an apocalyptic number.

It is an amenable number.

11220300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220300121 is an equidigital number, since it uses as much as digits as its factorization.

11220300121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11220300121 its reverse (12100302211), we get a palindrome (23320602332).

The spelling of 11220300121 in words is "eleven billion, two hundred twenty million, three hundred thousand, one hundred twenty-one".