11122002120221 has 2 divisors, whose sum is σ = 11122002120222. Its totient is φ = 11122002120220.

The previous prime is 11122002120157. The next prime is 11122002120283. The reversal of 11122002120221 is 12202120022111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6584509960900 + 4537492159321 = 2566030^2 + 2130139^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122002120221 - 2⁶ = 11122002120157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11122002120221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122002128221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561001060110 + 5561001060111.

It is an arithmetic number, because the mean of its divisors is an integer number (5561001060111).

Almost surely, 2^{11122002120221} is an apocalyptic number.

It is an amenable number.

11122002120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122002120221 is an equidigital number, since it uses as much as digits as its factorization.

11122002120221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11122002120221 its reverse (12202120022111), we get a palindrome (23324122142332).

The spelling of 11122002120221 in words is "eleven trillion, one hundred twenty-two billion, two million, one hundred twenty thousand, two hundred twenty-one".