100421802350871 has 4 divisors (see below), whose sum is σ = 133895736467832. Its totient is φ = 66947868233912.

The previous prime is 100421802350867. The next prime is 100421802350879. The reversal of 100421802350871 is 178053208124001.

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 100421802350871 - 2² = 100421802350867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421802350879) 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, 16736967058476 + ... + 16736967058481.

It is an arithmetic number, because the mean of its divisors is an integer number (33473934116958).

Almost surely, 2^{100421802350871} is an apocalyptic number.

100421802350871 is a deficient number, since it is larger than the sum of its proper divisors (33473934116961).

100421802350871 is an equidigital number, since it uses as much as digits as its factorization.

100421802350871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33473934116960.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 100421802350871 in words is "one hundred trillion, four hundred twenty-one billion, eight hundred two million, three hundred fifty thousand, eight hundred seventy-one".