100550105124101 has 8 divisors (see below), whose sum is σ = 100649061262680. Its totient is φ = 100451169349632.

The previous prime is 100550105124059. The next prime is 100550105124223. The reversal of 100550105124101 is 101421501055001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2327119740100 + 98222985384001 = 1525490^2 + 9910751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100550105124101 is a prime.

It is a super-2 number, since 2×100550105124101² (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 (100550105121101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4798505 + ... + 14970833.

It is an arithmetic number, because the mean of its divisors is an integer number (12581132657835).

Almost surely, 2^{100550105124101} is an apocalyptic number.

It is an amenable number.

100550105124101 is a deficient number, since it is larger than the sum of its proper divisors (98956138579).

100550105124101 is a wasteful number, since it uses less digits than its factorization.

100550105124101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182055.

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 100550105124101 its reverse (101421501055001), we get a palindrome (201971606179102).

The spelling of 100550105124101 in words is "one hundred trillion, five hundred fifty billion, one hundred five million, one hundred twenty-four thousand, one hundred one".