1030111101281 has 2 divisors, whose sum is σ = 1030111101282. Its totient is φ = 1030111101280.

The previous prime is 1030111101263. The next prime is 1030111101317. The reversal of 1030111101281 is 1821011110301.

1030111101281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777202691281 + 252908410000 = 881591^2 + 502900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030111101281 - 2²² = 1030106906977 is a prime.

It is a super-2 number, since 2×1030111101281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030111101211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515055550640 + 515055550641.

It is an arithmetic number, because the mean of its divisors is an integer number (515055550641).

Almost surely, 2^{1030111101281} is an apocalyptic number.

It is an amenable number.

1030111101281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030111101281 is an equidigital number, since it uses as much as digits as its factorization.

1030111101281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 1030111101281 its reverse (1821011110301), we get a palindrome (2851122211582).

The spelling of 1030111101281 in words is "one trillion, thirty billion, one hundred eleven million, one hundred one thousand, two hundred eighty-one".