11230321200121 has 2 divisors, whose sum is σ = 11230321200122. Its totient is φ = 11230321200120.

The previous prime is 11230321200113. The next prime is 11230321200143. The reversal of 11230321200121 is 12100212303211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6450584040000 + 4779737160121 = 2539800^2 + 2186261^2 .

It is an emirp because it is prime and its reverse (12100212303211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11230321200121 - 2³ = 11230321200113 is a prime.

It is a super-2 number, since 2×11230321200121² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11230321206121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615160600060 + 5615160600061.

It is an arithmetic number, because the mean of its divisors is an integer number (5615160600061).

Almost surely, 2^{11230321200121} is an apocalyptic number.

It is an amenable number.

11230321200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230321200121 is an equidigital number, since it uses as much as digits as its factorization.

11230321200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11230321200121 its reverse (12100212303211), we get a palindrome (23330533503332).

The spelling of 11230321200121 in words is "eleven trillion, two hundred thirty billion, three hundred twenty-one million, two hundred thousand, one hundred twenty-one".