11121230201 has 2 divisors, whose sum is σ = 11121230202. Its totient is φ = 11121230200.

The previous prime is 11121230167. The next prime is 11121230269. The reversal of 11121230201 is 10203212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8118190201 + 3003040000 = 90101^2 + 54800^2 .

It is an emirp because it is prime and its reverse (10203212111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11121230201 - 2³⁰ = 10047488377 is a prime.

It is a super-2 number, since 2×11121230201² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121230401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560615100 + 5560615101.

It is an arithmetic number, because the mean of its divisors is an integer number (5560615101).

Almost surely, 2^11121230201 is an apocalyptic number.

It is an amenable number.

11121230201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121230201 is an equidigital number, since it uses as much as digits as its factorization.

11121230201 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 14.

Adding to 11121230201 its reverse (10203212111), we get a palindrome (21324442312).

The spelling of 11121230201 in words is "eleven billion, one hundred twenty-one million, two hundred thirty thousand, two hundred one".