1111330332231 has 32 divisors (see below), whose sum is σ = 1767875908608. Its totient is φ = 607163082240.

The previous prime is 1111330332191. The next prime is 1111330332239. The reversal of 1111330332231 is 1322330331111.

It is not a de Polignac number, because 1111330332231 - 2¹⁴ = 1111330315847 is a prime.

It is a super-4 number, since 4×1111330332231⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111330332239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566191 + ... + 1594751.

It is an arithmetic number, because the mean of its divisors is an integer number (55246122144).

Almost surely, 2^{1111330332231} is an apocalyptic number.

1111330332231 is a deficient number, since it is larger than the sum of its proper divisors (656545576377).

1111330332231 is a wasteful number, since it uses less digits than its factorization.

1111330332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030831.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1111330332231 its reverse (1322330331111), we get a palindrome (2433660663342).

The spelling of 1111330332231 in words is "one trillion, one hundred eleven billion, three hundred thirty million, three hundred thirty-two thousand, two hundred thirty-one".