1120110221081 has 2 divisors, whose sum is σ = 1120110221082. Its totient is φ = 1120110221080.

The previous prime is 1120110221057. The next prime is 1120110221119. The reversal of 1120110221081 is 1801220110211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797554377481 + 322555843600 = 893059^2 + 567940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120110221081 - 2⁶ = 1120110221017 is a prime.

It is a super-2 number, since 2×1120110221081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1120110211081) 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, 560055110540 + 560055110541.

It is an arithmetic number, because the mean of its divisors is an integer number (560055110541).

Almost surely, 2^{1120110221081} is an apocalyptic number.

It is an amenable number.

1120110221081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120110221081 is an equidigital number, since it uses as much as digits as its factorization.

1120110221081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 1120110221081 its reverse (1801220110211), we get a palindrome (2921330331292).

The spelling of 1120110221081 in words is "one trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, eighty-one".