1110120331811 has 2 divisors, whose sum is σ = 1110120331812. Its totient is φ = 1110120331810.

The previous prime is 1110120331781. The next prime is 1110120331843. The reversal of 1110120331811 is 1181330210111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110120331811 is a prime.

It is a super-2 number, since 2×1110120331811² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1110120330811) 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 as a sum of consecutive naturals, namely, 555060165905 + 555060165906.

It is an arithmetic number, because the mean of its divisors is an integer number (555060165906).

Almost surely, 2^{1110120331811} is an apocalyptic number.

1110120331811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110120331811 is an equidigital number, since it uses as much as digits as its factorization.

1110120331811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 1110120331811 its reverse (1181330210111), we get a palindrome (2291450541922).

The spelling of 1110120331811 in words is "one trillion, one hundred ten billion, one hundred twenty million, three hundred thirty-one thousand, eight hundred eleven".