180000001010101 has 4 divisors (see below), whose sum is σ = 180047084456512. Its totient is φ = 179952917563692.

The previous prime is 180000001010087. The next prime is 180000001010111. The reversal of 180000001010101 is 101010100000081.

180000001010101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 180000001010101 - 2²¹ = 179999998912949 is a prime.

It is a super-2 number, since 2×180000001010101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180000001010111) 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, 23541717471 + ... + 23541725116.

It is an arithmetic number, because the mean of its divisors is an integer number (45011771114128).

Almost surely, 2^{180000001010101} is an apocalyptic number.

It is an amenable number.

180000001010101 is a deficient number, since it is larger than the sum of its proper divisors (47083446411).

180000001010101 is an equidigital number, since it uses as much as digits as its factorization.

180000001010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47083446410.

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

Adding to 180000001010101 its reverse (101010100000081), we get a palindrome (281010101010182).

The spelling of 180000001010101 in words is "one hundred eighty trillion, one million, ten thousand, one hundred one".