100203102321 has 8 divisors (see below), whose sum is σ = 152690441664. Its totient is φ = 57258915600.

The previous prime is 100203102299. The next prime is 100203102323. The reversal of 100203102321 is 123201302001.

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

It is not a de Polignac number, because 100203102321 - 2⁶ = 100203102257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100203102321.

It is not an unprimeable number, because it can be changed into a prime (100203102323) 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, 2385788130 + ... + 2385788171.

It is an arithmetic number, because the mean of its divisors is an integer number (19086305208).

Almost surely, 2^100203102321 is an apocalyptic number.

It is an amenable number.

100203102321 is a deficient number, since it is larger than the sum of its proper divisors (52487339343).

100203102321 is an equidigital number, since it uses as much as digits as its factorization.

100203102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771576311.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100203102321 its reverse (123201302001), we get a palindrome (223404404322).

The spelling of 100203102321 in words is "one hundred billion, two hundred three million, one hundred two thousand, three hundred twenty-one".