11001331320331 has 16 divisors (see below), whose sum is σ = 12063046963968. Its totient is φ = 9949887119200.

The previous prime is 11001331320293. The next prime is 11001331320337. The reversal of 11001331320331 is 13302313310011.

It is a cyclic number.

It is not a de Polignac number, because 11001331320331 - 2¹¹ = 11001331318283 is a prime.

It is a super-2 number, since 2×11001331320331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11001331320337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41498106 + ... + 41762368.

It is an arithmetic number, because the mean of its divisors is an integer number (753940435248).

Almost surely, 2^{11001331320331} is an apocalyptic number.

11001331320331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001331320331 is a deficient number, since it is larger than the sum of its proper divisors (1061715643637).

11001331320331 is a wasteful number, since it uses less digits than its factorization.

11001331320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283682.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 11001331320331 its reverse (13302313310011), we get a palindrome (24303644630342).

The spelling of 11001331320331 in words is "eleven trillion, one billion, three hundred thirty-one million, three hundred twenty thousand, three hundred thirty-one".