421113304100 has 36 divisors (see below), whose sum is σ = 913847801664. Its totient is φ = 168439435680.

The previous prime is 421113304097. The next prime is 421113304121. The reversal of 421113304100 is 1403311124.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3836177 + ... + 3944423.

Almost surely, 2^421113304100 is an apocalyptic number.

It is an amenable number.

421113304100 is an abundant number, since it is smaller than the sum of its proper divisors (492734497564).

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

421113304100 is a wasteful number, since it uses less digits than its factorization.

421113304100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147164 (or 147157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 421113304100 its reverse (1403311124), we get a palindrome (422516615224).

The spelling of 421113304100 in words is "four hundred twenty-one billion, one hundred thirteen million, three hundred four thousand, one hundred".