100105110056001 has 4 divisors (see below), whose sum is σ = 133473480074672. Its totient is φ = 66736740037332.

The previous prime is 100105110055997. The next prime is 100105110056057. The reversal of 100105110056001 is 100650011501001.

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 not a de Polignac number, because 100105110056001 - 2² = 100105110055997 is a prime.

It is a super-2 number, since 2×100105110056001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100105110056201) 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, 16684185009331 + ... + 16684185009336.

It is an arithmetic number, because the mean of its divisors is an integer number (33368370018668).

Almost surely, 2^{100105110056001} is an apocalyptic number.

It is an amenable number.

100105110056001 is a deficient number, since it is larger than the sum of its proper divisors (33368370018671).

100105110056001 is an equidigital number, since it uses as much as digits as its factorization.

100105110056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33368370018670.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 100105110056001 its reverse (100650011501001), we get a palindrome (200755121557002).

The spelling of 100105110056001 in words is "one hundred trillion, one hundred five billion, one hundred ten million, fifty-six thousand, one".