1019010100001 has 4 divisors (see below), whose sum is σ = 1019014486404. Its totient is φ = 1019005713600.

The previous prime is 1019010099983. The next prime is 1019010100007. The reversal of 1019010100001 is 1000010109101.

It is a happy number.

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 220129872400 + 798880227601 = 469180^2 + 893801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1019010100001 - 2¹⁴ = 1019010083617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1019010100007) 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 in 3 ways as a sum of consecutive naturals, for example, 1824020 + ... + 2316261.

It is an arithmetic number, because the mean of its divisors is an integer number (254753621601).

Almost surely, 2^{1019010100001} is an apocalyptic number.

It is an amenable number.

1019010100001 is a deficient number, since it is larger than the sum of its proper divisors (4386403).

1019010100001 is an equidigital number, since it uses as much as digits as its factorization.

1019010100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386402.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 1019010100001 its reverse (1000010109101), we get a palindrome (2019020209102).

The spelling of 1019010100001 in words is "one trillion, nineteen billion, ten million, one hundred thousand, one".