100421180416 has 22 divisors (see below), whose sum is σ = 200744295320. Its totient is φ = 50210589696.

The previous prime is 100421180383. The next prime is 100421180473. The reversal of 100421180416 is 614081124001.

It is a super-2 number, since 2×100421180416² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49032756 + ... + 49034803.

Almost surely, 2^100421180416 is an apocalyptic number.

100421180416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100421180416 is a deficient number, since it is larger than the sum of its proper divisors (100323114904).

100421180416 is an frugal number, since it uses more digits than its factorization.

100421180416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98067579 (or 98067561 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The spelling of 100421180416 in words is "one hundred billion, four hundred twenty-one million, one hundred eighty thousand, four hundred sixteen".