11100210200021 has 2 divisors, whose sum is σ = 11100210200022. Its totient is φ = 11100210200020.

The previous prime is 11100210200003. The next prime is 11100210200041. The reversal of 11100210200021 is 12000201200111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11053058248996 + 47151951025 = 3324614^2 + 217145^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100210200021 - 2⁴² = 6702163688917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100210199975 and 11100210200011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100210200041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550105100010 + 5550105100011.

It is an arithmetic number, because the mean of its divisors is an integer number (5550105100011).

Almost surely, 2^{11100210200021} is an apocalyptic number.

It is an amenable number.

11100210200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100210200021 is an equidigital number, since it uses as much as digits as its factorization.

11100210200021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11100210200021 its reverse (12000201200111), we get a palindrome (23100411400132).

The spelling of 11100210200021 in words is "eleven trillion, one hundred billion, two hundred ten million, two hundred thousand, twenty-one".