100303221243 has 16 divisors (see below), whose sum is σ = 138387398400. Its totient is φ = 64545200160.

The previous prime is 100303221241. The next prime is 100303221247. The reversal of 100303221243 is 342122303001.

It is not a de Polignac number, because 100303221243 - 2¹ = 100303221241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100303221241) 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, 162348 + ... + 476406.

It is an arithmetic number, because the mean of its divisors is an integer number (8649212400).

Almost surely, 2^100303221243 is an apocalyptic number.

100303221243 is a deficient number, since it is larger than the sum of its proper divisors (38084177157).

100303221243 is a wasteful number, since it uses less digits than its factorization.

100303221243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317762.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 100303221243 its reverse (342122303001), we get a palindrome (442425524244).

The spelling of 100303221243 in words is "one hundred billion, three hundred three million, two hundred twenty-one thousand, two hundred forty-three".