11220120301 has 4 divisors (see below), whose sum is σ = 12083206492. Its totient is φ = 10357034112.

The previous prime is 11220120277. The next prime is 11220120323. The reversal of 11220120301 is 10302102211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10302102211 = 53 ⋅194379287.

It can be written as a sum of positive squares in 2 ways, for example, as 3147097801 + 8073022500 = 56099^2 + 89850^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220120301 - 2⁵ = 11220120269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 863086177 = 11220120301 / (1 + 1 + 2 + 2 + 0 + 1 + 2 + 0 + 3 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220120701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431543076 + ... + 431543101.

It is an arithmetic number, because the mean of its divisors is an integer number (3020801623).

Almost surely, 2^11220120301 is an apocalyptic number.

It is an amenable number.

11220120301 is a deficient number, since it is larger than the sum of its proper divisors (863086191).

11220120301 is an equidigital number, since it uses as much as digits as its factorization.

11220120301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863086190.

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

Adding to 11220120301 its reverse (10302102211), we get a palindrome (21522222512).

The spelling of 11220120301 in words is "eleven billion, two hundred twenty million, one hundred twenty thousand, three hundred one".