1101120131 has 2 divisors, whose sum is σ = 1101120132. Its totient is φ = 1101120130.

The previous prime is 1101120047. The next prime is 1101120187. The reversal of 1101120131 is 1310211011.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1310211011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101120131 - 2¹⁴ = 1101103747 is a prime.

It is a super-2 number, since 2×1101120131² = 2424931085786914322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1101120731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560065 + 550560066.

It is an arithmetic number, because the mean of its divisors is an integer number (550560066).

Almost surely, 2^1101120131 is an apocalyptic number.

1101120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101120131 is an equidigital number, since it uses as much as digits as its factorization.

1101120131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1101120131 is about 33183.1302170244. The cubic root of 1101120131 is about 1032.6303871826.

Adding to 1101120131 its reverse (1310211011), we get a palindrome (2411331142).

The spelling of 1101120131 in words is "one billion, one hundred one million, one hundred twenty thousand, one hundred thirty-one".