10110001001 has 4 divisors (see below), whose sum is σ = 10110492672. Its totient is φ = 10109509332.

The previous prime is 10110000983. The next prime is 10110001019. The reversal of 10110001001 is 10010001101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10010001101 = 71 ⋅140985931.

It is an interprime number because it is at equal distance from previous prime (10110000983) and next prime (10110001019).

It is a cyclic number.

It is not a de Polignac number, because 10110001001 - 2¹⁴ = 10109984617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10110001901) 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, 213581 + ... + 256586.

It is an arithmetic number, because the mean of its divisors is an integer number (2527623168).

Almost surely, 2^10110001001 is an apocalyptic number.

It is an amenable number.

10110001001 is a deficient number, since it is larger than the sum of its proper divisors (491671).

10110001001 is an equidigital number, since it uses as much as digits as its factorization.

10110001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491670.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10110001001 its reverse (10010001101), we get a palindrome (20120002102).

The spelling of 10110001001 in words is "ten billion, one hundred ten million, one thousand, one".