100021503101 has 8 divisors (see below), whose sum is σ = 108490398240. Its totient is φ = 91663312752.

The previous prime is 100021503073. The next prime is 100021503139. The reversal of 100021503101 is 101305120001.

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

It is a cyclic number.

It is not a de Polignac number, because 100021503101 - 2⁶ = 100021503037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021503191) 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, 27674315 + ... + 27677928.

It is an arithmetic number, because the mean of its divisors is an integer number (13561299780).

Almost surely, 2^100021503101 is an apocalyptic number.

It is an amenable number.

100021503101 is a deficient number, since it is larger than the sum of its proper divisors (8468895139).

100021503101 is a wasteful number, since it uses less digits than its factorization.

100021503101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55352395.

The product of its (nonzero) digits is 30, while the sum is 14.

Adding to 100021503101 its reverse (101305120001), we get a palindrome (201326623102).

The spelling of 100021503101 in words is "one hundred billion, twenty-one million, five hundred three thousand, one hundred one".