11020102122121 has 2 divisors, whose sum is σ = 11020102122122. Its totient is φ = 11020102122120.

The previous prime is 11020102122047. The next prime is 11020102122209. The reversal of 11020102122121 is 12122120102011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10584058489225 + 436043632896 = 3253315^2 + 660336^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020102122121 - 2¹³ = 11020102113929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020102122095 and 11020102122104.

It is not a weakly prime, because it can be changed into another prime (11020102128121) 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, 5510051061060 + 5510051061061.

It is an arithmetic number, because the mean of its divisors is an integer number (5510051061061).

Almost surely, 2^{11020102122121} is an apocalyptic number.

It is an amenable number.

11020102122121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020102122121 is an equidigital number, since it uses as much as digits as its factorization.

11020102122121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11020102122121 its reverse (12122120102011), we get a palindrome (23142222224132).

The spelling of 11020102122121 in words is "eleven trillion, twenty billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty-one".