11030122021 has 2 divisors, whose sum is σ = 11030122022. Its totient is φ = 11030122020.

The previous prime is 11030121961. The next prime is 11030122027. The reversal of 11030122021 is 12022103011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7449416100 + 3580705921 = 86310^2 + 59839^2 .

It is a cyclic number.

It is not a de Polignac number, because 11030122021 - 2¹¹ = 11030119973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11030121992 and 11030122010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11030122027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515061010 + 5515061011.

It is an arithmetic number, because the mean of its divisors is an integer number (5515061011).

Almost surely, 2^11030122021 is an apocalyptic number.

It is an amenable number.

11030122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030122021 is an equidigital number, since it uses as much as digits as its factorization.

11030122021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11030122021 its reverse (12022103011), we get a palindrome (23052225032).

The spelling of 11030122021 in words is "eleven billion, thirty million, one hundred twenty-two thousand, twenty-one".