100421421266 has 8 divisors (see below), whose sum is σ = 155491233024. Its totient is φ = 48591010260.

The previous prime is 100421421263. The next prime is 100421421283. The reversal of 100421421266 is 662124124001.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100421421263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809850110 + ... + 809850233.

It is an arithmetic number, because the mean of its divisors is an integer number (19436404128).

Almost surely, 2^100421421266 is an apocalyptic number.

100421421266 is a deficient number, since it is larger than the sum of its proper divisors (55069811758).

100421421266 is a wasteful number, since it uses less digits than its factorization.

100421421266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619700376.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 100421421266 its reverse (662124124001), we get a palindrome (762545545267).

The spelling of 100421421266 in words is "one hundred billion, four hundred twenty-one million, four hundred twenty-one thousand, two hundred sixty-six".