100421250416 has 20 divisors (see below), whose sum is σ = 196288000752. Its totient is φ = 49766282496.

The previous prime is 100421250407. The next prime is 100421250437. The reversal of 100421250416 is 614052124001.

It is a super-2 number, since 2×100421250416² (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 in 3 ways as a sum of consecutive naturals, for example, 27769556 + ... + 27773171.

Almost surely, 2^100421250416 is an apocalyptic number.

100421250416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100421250416 is a deficient number, since it is larger than the sum of its proper divisors (95866750336).

100421250416 is a wasteful number, since it uses less digits than its factorization.

100421250416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55542848 (or 55542842 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 100421250416 its reverse (614052124001), we get a palindrome (714473374417).

The spelling of 100421250416 in words is "one hundred billion, four hundred twenty-one million, two hundred fifty thousand, four hundred sixteen".