100452221420 has 24 divisors (see below), whose sum is σ = 213920790048. Its totient is φ = 39614960000.

The previous prime is 100452221413. The next prime is 100452221461. The reversal of 100452221420 is 24122254001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35369081 + ... + 35371920.

It is an arithmetic number, because the mean of its divisors is an integer number (8913366252).

Almost surely, 2^100452221420 is an apocalyptic number.

100452221420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100452221420 is an abundant number, since it is smaller than the sum of its proper divisors (113468568628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100452221420 is a wasteful number, since it uses less digits than its factorization.

100452221420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70741081 (or 70741079 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 100452221420 its reverse (24122254001), we get a palindrome (124574475421).

The spelling of 100452221420 in words is "one hundred billion, four hundred fifty-two million, two hundred twenty-one thousand, four hundred twenty".