11201011210205 has 8 divisors (see below), whose sum is σ = 14231873067192. Its totient is φ = 8433702558208.

The previous prime is 11201011210189. The next prime is 11201011210261. The reversal of 11201011210205 is 50201211010211.

It can be written as a sum of positive squares in 4 ways, for example, as 2737165095844 + 8463846114361 = 1654438^2 + 2909269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201011210205 - 2⁴ = 11201011210189 is a prime.

It is a super-2 number, since 2×11201011210205² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65888301152 + ... + 65888301321.

It is an arithmetic number, because the mean of its divisors is an integer number (1778984133399).

Almost surely, 2^{11201011210205} is an apocalyptic number.

It is an amenable number.

11201011210205 is a deficient number, since it is larger than the sum of its proper divisors (3030861856987).

11201011210205 is a wasteful number, since it uses less digits than its factorization.

11201011210205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131776602495.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11201011210205 its reverse (50201211010211), we get a palindrome (61402222220416).

The spelling of 11201011210205 in words is "eleven trillion, two hundred one billion, eleven million, two hundred ten thousand, two hundred five".