11131201032211 has 4 divisors (see below), whose sum is σ = 11987447265472. Its totient is φ = 10274954798952.

The previous prime is 11131201032167. The next prime is 11131201032293. The reversal of 11131201032211 is 11223010213111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131201032211 is a prime.

It is a super-4 number, since 4×11131201032211⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131201032011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428123116611 + ... + 428123116636.

It is an arithmetic number, because the mean of its divisors is an integer number (2996861816368).

Almost surely, 2^{11131201032211} is an apocalyptic number.

11131201032211 is a deficient number, since it is larger than the sum of its proper divisors (856246233261).

11131201032211 is an equidigital number, since it uses as much as digits as its factorization.

11131201032211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856246233260.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11131201032211 its reverse (11223010213111), we get a palindrome (22354211245322).

The spelling of 11131201032211 in words is "eleven trillion, one hundred thirty-one billion, two hundred one million, thirty-two thousand, two hundred eleven".