11211301331 has 8 divisors (see below), whose sum is σ = 11252278128. Its totient is φ = 11170368000.

The previous prime is 11211301327. The next prime is 11211301349. The reversal of 11211301331 is 13310311211.

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 11211301331 - 2² = 11211301327 is a prime.

It is a super-2 number, since 2×11211301331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211301531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559811 + ... + 579491.

It is an arithmetic number, because the mean of its divisors is an integer number (1406534766).

Almost surely, 2^11211301331 is an apocalyptic number.

11211301331 is a deficient number, since it is larger than the sum of its proper divisors (40976797).

11211301331 is a wasteful number, since it uses less digits than its factorization.

11211301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21733.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11211301331 its reverse (13310311211), we get a palindrome (24521612542).

The spelling of 11211301331 in words is "eleven billion, two hundred eleven million, three hundred one thousand, three hundred thirty-one".