111132121331 has 8 divisors (see below), whose sum is σ = 138554333184. Its totient is φ = 86596458120.

The previous prime is 111132121313. The next prime is 111132121351. The reversal of 111132121331 is 133121231111.

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 111132121331 - 2¹⁸ = 111131859187 is a prime.

It is a super-2 number, since 2×111132121331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111132121351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721637075 + ... + 721637228.

It is an arithmetic number, because the mean of its divisors is an integer number (17319291648).

Almost surely, 2^111132121331 is an apocalyptic number.

111132121331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111132121331 is a deficient number, since it is larger than the sum of its proper divisors (27422211853).

111132121331 is a wasteful number, since it uses less digits than its factorization.

111132121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443274321.

The product of its digits is 108, while the sum is 20.

Adding to 111132121331 its reverse (133121231111), we get a palindrome (244253352442).

The spelling of 111132121331 in words is "one hundred eleven billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred thirty-one".