100303120230021 has 12 divisors (see below), whose sum is σ = 145841770108320. Its totient is φ = 66425907436200.

The previous prime is 100303120229959. The next prime is 100303120230023. The reversal of 100303120230021 is 120032021303001.

100303120230021 is a `hidden beast` number, since 1 + 0 + 0 + 30 + 312 + 0 + 2 + 300 + 21 = 666.

It is not a de Polignac number, because 100303120230021 - 2⁹ = 100303120229509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100303120229976 and 100303120230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303120230023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36903280551 + ... + 36903283268.

It is an arithmetic number, because the mean of its divisors is an integer number (12153480842360).

Almost surely, 2^{100303120230021} is an apocalyptic number.

It is an amenable number.

100303120230021 is a deficient number, since it is larger than the sum of its proper divisors (45538649878299).

100303120230021 is a wasteful number, since it uses less digits than its factorization.

100303120230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73806563976 (or 73806563973 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100303120230021 its reverse (120032021303001), we get a palindrome (220335141533022).

The spelling of 100303120230021 in words is "one hundred trillion, three hundred three billion, one hundred twenty million, two hundred thirty thousand, twenty-one".