100245050021 has 8 divisors (see below), whose sum is σ = 104725496064. Its totient is φ = 95842524960.

The previous prime is 100245049973. The next prime is 100245050057. The reversal of 100245050021 is 120050542001.

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-100245050021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100245049975 and 100245050002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100245050071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19477616 + ... + 19482761.

It is an arithmetic number, because the mean of its divisors is an integer number (13090687008).

Almost surely, 2^100245050021 is an apocalyptic number.

It is an amenable number.

100245050021 is a deficient number, since it is larger than the sum of its proper divisors (4480446043).

100245050021 is an equidigital number, since it uses as much as digits as its factorization.

100245050021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38960491.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 100245050021 its reverse (120050542001), we get a palindrome (220295592022).

The spelling of 100245050021 in words is "one hundred billion, two hundred forty-five million, fifty thousand, twenty-one".