11101022212201 has 2 divisors, whose sum is σ = 11101022212202. Its totient is φ = 11101022212200.

The previous prime is 11101022212199. The next prime is 11101022212207. The reversal of 11101022212201 is 10221222010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6890892752601 + 4210129459600 = 2625051^2 + 2051860^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101022212201 - 2¹ = 11101022212199 is a prime.

Together with 11101022212199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11101022212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550511106100 + 5550511106101.

It is an arithmetic number, because the mean of its divisors is an integer number (5550511106101).

Almost surely, 2^{11101022212201} is an apocalyptic number.

It is an amenable number.

11101022212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101022212201 is an equidigital number, since it uses as much as digits as its factorization.

11101022212201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11101022212201 its reverse (10221222010111), we get a palindrome (21322244222312).

The spelling of 11101022212201 in words is "eleven trillion, one hundred one billion, twenty-two million, two hundred twelve thousand, two hundred one".