11100100220201 has 2 divisors, whose sum is σ = 11100100220202. Its totient is φ = 11100100220200.

The previous prime is 11100100220171. The next prime is 11100100220203. The reversal of 11100100220201 is 10202200100111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10753815048601 + 346285171600 = 3279301^2 + 588460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100100220201 is a prime.

Together with 11100100220203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11100100220203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050110100 + 5550050110101.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050110101).

Almost surely, 2^{11100100220201} is an apocalyptic number.

It is an amenable number.

11100100220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100220201 is an equidigital number, since it uses as much as digits as its factorization.

11100100220201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11100100220201 its reverse (10202200100111), we get a palindrome (21302300320312).

The spelling of 11100100220201 in words is "eleven trillion, one hundred billion, one hundred million, two hundred twenty thousand, two hundred one".