100421802350872 has 16 divisors (see below), whose sum is σ = 188309535150240. Its totient is φ = 50205926310816.

The previous prime is 100421802350867. The next prime is 100421802350879. The reversal of 100421802350872 is 278053208124001.

It is a super-2 number, since 2×100421802350872² (a number of 29 digits) contains 22 as substring.

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, 621772288 + ... + 621933775.

It is an arithmetic number, because the mean of its divisors is an integer number (11769345946890).

Almost surely, 2^{100421802350872} is an apocalyptic number.

It is an amenable number.

100421802350872 is a deficient number, since it is larger than the sum of its proper divisors (87887732799368).

100421802350872 is a wasteful number, since it uses less digits than its factorization.

100421802350872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243716162 (or 1243716158 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 100421802350872 in words is "one hundred trillion, four hundred twenty-one billion, eight hundred two million, three hundred fifty thousand, eight hundred seventy-two".