10110001081 has 4 divisors (see below), whose sum is σ = 10110318372. Its totient is φ = 10109683792.

The previous prime is 10110001073. The next prime is 10110001093. The reversal of 10110001081 is 18010001101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18010001101 = 28351 ⋅635251.

It can be written as a sum of positive squares in 2 ways, for example, as 7500426025 + 2609575056 = 86605^2 + 51084^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110001081 - 2³ = 10110001073 is a prime.

It is a super-2 number, since 2×10110001081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10110001481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104746 + ... + 176611.

It is an arithmetic number, because the mean of its divisors is an integer number (2527579593).

Almost surely, 2^10110001081 is an apocalyptic number.

It is an amenable number.

10110001081 is a deficient number, since it is larger than the sum of its proper divisors (317291).

10110001081 is an equidigital number, since it uses as much as digits as its factorization.

10110001081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317290.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10110001081 its reverse (18010001101), we get a palindrome (28120002182).

The spelling of 10110001081 in words is "ten billion, one hundred ten million, one thousand, eighty-one".