100535150021 has 4 divisors (see below), whose sum is σ = 100539627552. Its totient is φ = 100530672492.

The previous prime is 100535149999. The next prime is 100535150081. The reversal of 100535150021 is 120051535001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120051535001 = 4919 ⋅24405679.

It is a cyclic number.

It is not a de Polignac number, because 100535150021 - 2¹⁰ = 100535148997 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 (100535150081) 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, 2204915 + ... + 2250048.

It is an arithmetic number, because the mean of its divisors is an integer number (25134906888).

Almost surely, 2^100535150021 is an apocalyptic number.

It is an amenable number.

100535150021 is a deficient number, since it is larger than the sum of its proper divisors (4477531).

100535150021 is an equidigital number, since it uses as much as digits as its factorization.

100535150021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477530.

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

Adding to 100535150021 its reverse (120051535001), we get a palindrome (220586685022).

The spelling of 100535150021 in words is "one hundred billion, five hundred thirty-five million, one hundred fifty thousand, twenty-one".