101001011018 has 4 divisors (see below), whose sum is σ = 151501516530. Its totient is φ = 50500505508.

The previous prime is 101001011017. The next prime is 101001011047. The reversal of 101001011018 is 810110100101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810110100101 = 16349 ⋅49551049.

It can be written as a sum of positive squares in only one way, i.e., 100566997129 + 434013889 = 317123^2 + 20833^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101001010993 and 101001011011.

It is not an unprimeable number, because it can be changed into a prime (101001011011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250252753 + ... + 25250252756.

Almost surely, 2^101001011018 is an apocalyptic number.

101001011018 is a deficient number, since it is larger than the sum of its proper divisors (50500505512).

101001011018 is an equidigital number, since it uses as much as digits as its factorization.

101001011018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50500505511.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101001011018 its reverse (810110100101), we get a palindrome (911111111119).

The spelling of 101001011018 in words is "one hundred one billion, one million, eleven thousand, eighteen".