101555230001 has 4 divisors (see below), whose sum is σ = 101612966400. Its totient is φ = 101497493604.

The previous prime is 101555229977. The next prime is 101555230013. The reversal of 101555230001 is 100032555101.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-101555230001 is a prime.

It is a super-4 number, since 4×101555230001⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101555230031) 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, 28865561 + ... + 28869078.

It is an arithmetic number, because the mean of its divisors is an integer number (25403241600).

Almost surely, 2^101555230001 is an apocalyptic number.

It is an amenable number.

101555230001 is a deficient number, since it is larger than the sum of its proper divisors (57736399).

101555230001 is an equidigital number, since it uses as much as digits as its factorization.

101555230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57736398.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 101555230001 its reverse (100032555101), we get a palindrome (201587785102).

The spelling of 101555230001 in words is "one hundred one billion, five hundred fifty-five million, two hundred thirty thousand, one".