11022212102921 has 2 divisors, whose sum is σ = 11022212102922. Its totient is φ = 11022212102920.

The previous prime is 11022212102893. The next prime is 11022212102953. The reversal of 11022212102921 is 12920121222011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6579661057225 + 4442551045696 = 2565085^2 + 2107736^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022212102921 - 2¹⁸ = 11022211840777 is a prime.

It is not a weakly prime, because it can be changed into another prime (11022212102981) 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 as a sum of consecutive naturals, namely, 5511106051460 + 5511106051461.

It is an arithmetic number, because the mean of its divisors is an integer number (5511106051461).

Almost surely, 2^{11022212102921} is an apocalyptic number.

It is an amenable number.

11022212102921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022212102921 is an equidigital number, since it uses as much as digits as its factorization.

11022212102921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 11022212102921 its reverse (12920121222011), we get a palindrome (23942333324932).

The spelling of 11022212102921 in words is "eleven trillion, twenty-two billion, two hundred twelve million, one hundred two thousand, nine hundred twenty-one".