1111321132011 has 6 divisors (see below), whose sum is σ = 1605241635140. Its totient is φ = 740880754668.

The previous prime is 1111321131937. The next prime is 1111321132021. The reversal of 1111321132011 is 1102311231111.

1111321132011 is a `hidden beast` number, since 1 + 1 + 11 + 321 + 1 + 320 + 11 = 666.

It is not a de Polignac number, because 1111321132011 - 2¹⁷ = 1111321000939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111321132021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61740062881 + ... + 61740062898.

Almost surely, 2^{1111321132011} is an apocalyptic number.

1111321132011 is a deficient number, since it is larger than the sum of its proper divisors (493920503129).

1111321132011 is a wasteful number, since it uses less digits than its factorization.

1111321132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123480125785 (or 123480125782 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1111321132011 its reverse (1102311231111), we get a palindrome (2213632363122).

The spelling of 1111321132011 in words is "one trillion, one hundred eleven billion, three hundred twenty-one million, one hundred thirty-two thousand, eleven".