11121100201 has 2 divisors, whose sum is σ = 11121100202. Its totient is φ = 11121100200.

The previous prime is 11121100183. The next prime is 11121100219. The reversal of 11121100201 is 10200112111.

It is a balanced prime because it is at equal distance from previous prime (11121100183) and next prime (11121100219).

It can be written as a sum of positive squares in only one way, i.e., 5940555625 + 5180544576 = 77075^2 + 71976^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121100201 - 2⁵ = 11121100169 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121100271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560550100 + 5560550101.

It is an arithmetic number, because the mean of its divisors is an integer number (5560550101).

Almost surely, 2^11121100201 is an apocalyptic number.

It is an amenable number.

11121100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121100201 is an equidigital number, since it uses as much as digits as its factorization.

11121100201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11121100201 its reverse (10200112111), we get a palindrome (21321212312).

The spelling of 11121100201 in words is "eleven billion, one hundred twenty-one million, one hundred thousand, two hundred one".