2028110280601 has 4 divisors (see below), whose sum is σ = 2028113495604. Its totient is φ = 2028107065600.

The previous prime is 2028110280589. The next prime is 2028110280611. The reversal of 2028110280601 is 1060820118202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10790015625 + 2017320264976 = 103875^2 + 1420324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028110280601 - 2¹⁵ = 2028110247833 is a prime.

It is a super-2 number, since 2×2028110280601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028110280611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314680 + ... + 2038441.

It is an arithmetic number, because the mean of its divisors is an integer number (507028373901).

Almost surely, 2^{2028110280601} is an apocalyptic number.

It is an amenable number.

2028110280601 is a deficient number, since it is larger than the sum of its proper divisors (3215003).

2028110280601 is an equidigital number, since it uses as much as digits as its factorization.

2028110280601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215002.

The product of its (nonzero) digits is 3072, while the sum is 31.

Adding to 2028110280601 its reverse (1060820118202), we get a palindrome (3088930398803).

The spelling of 2028110280601 in words is "two trillion, twenty-eight billion, one hundred ten million, two hundred eighty thousand, six hundred one".