11122203203021 has 2 divisors, whose sum is σ = 11122203203022. Its totient is φ = 11122203203020.

The previous prime is 11122203203009. The next prime is 11122203203099. The reversal of 11122203203021 is 12030230222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10861730769796 + 260472433225 = 3295714^2 + 510365^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122203203021 - 2¹⁰ = 11122203201997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122203202984 and 11122203203002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122203202021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561101601510 + 5561101601511.

It is an arithmetic number, because the mean of its divisors is an integer number (5561101601511).

Almost surely, 2^{11122203203021} is an apocalyptic number.

It is an amenable number.

11122203203021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122203203021 is an equidigital number, since it uses as much as digits as its factorization.

11122203203021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11122203203021 its reverse (12030230222111), we get a palindrome (23152433425132).

The spelling of 11122203203021 in words is "eleven trillion, one hundred twenty-two billion, two hundred three million, two hundred three thousand, twenty-one".