100221212303 has 4 divisors (see below), whose sum is σ = 100247160048. Its totient is φ = 100195264560.

The previous prime is 100221212297. The next prime is 100221212381. The reversal of 100221212303 is 303212122001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100221212303 - 2⁶ = 100221212239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221212383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12968078 + ... + 12975803.

It is an arithmetic number, because the mean of its divisors is an integer number (25061790012).

Almost surely, 2^100221212303 is an apocalyptic number.

100221212303 is a deficient number, since it is larger than the sum of its proper divisors (25947745).

100221212303 is an equidigital number, since it uses as much as digits as its factorization.

100221212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25947744.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100221212303 its reverse (303212122001), we get a palindrome (403433334304).

The spelling of 100221212303 in words is "one hundred billion, two hundred twenty-one million, two hundred twelve thousand, three hundred three".