100300102021 has 16 divisors (see below), whose sum is σ = 116201016576. Its totient is φ = 84800267136.

The previous prime is 100300101997. The next prime is 100300102033. The reversal of 100300102021 is 120201003001.

It is a cyclic number.

It is not a de Polignac number, because 100300102021 - 2¹⁷ = 100299970949 is a prime.

It is a super-2 number, since 2×100300102021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100300101989 and 100300102007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300102081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182521 + ... + 483646.

It is an arithmetic number, because the mean of its divisors is an integer number (7262563536).

Almost surely, 2^100300102021 is an apocalyptic number.

It is an amenable number.

100300102021 is a deficient number, since it is larger than the sum of its proper divisors (15900914555).

100300102021 is a wasteful number, since it uses less digits than its factorization.

100300102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666468.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100300102021 its reverse (120201003001), we get a palindrome (220501105022).

The spelling of 100300102021 in words is "one hundred billion, three hundred million, one hundred two thousand, twenty-one".