100421745858337 has 4 divisors (see below), whose sum is σ = 101023073678016. Its totient is φ = 99820418038660.

The previous prime is 100421745858199. The next prime is 100421745858349. The reversal of 100421745858337 is 733858547124001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100421745858337 - 2⁴³ = 91625652836129 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100421745808337) 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, 300663909589 + ... + 300663909922.

It is an arithmetic number, because the mean of its divisors is an integer number (25255768419504).

Almost surely, 2^{100421745858337} is an apocalyptic number.

It is an amenable number.

100421745858337 is a deficient number, since it is larger than the sum of its proper divisors (601327819679).

100421745858337 is an equidigital number, since it uses as much as digits as its factorization.

100421745858337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601327819678.

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 100421745858337 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred fifty-eight thousand, three hundred thirty-seven".