421234113100 has 18 divisors (see below), whose sum is σ = 914078025644. Its totient is φ = 168493645200.

The previous prime is 421234113073. The next prime is 421234113103. The reversal of 421234113100 is 1311432124.

It is a super-2 number, since 2×421234113100² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421234113103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2106170466 + ... + 2106170665.

Almost surely, 2^421234113100 is an apocalyptic number.

It is an amenable number.

421234113100 is an abundant number, since it is smaller than the sum of its proper divisors (492843912544).

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

421234113100 is a wasteful number, since it uses less digits than its factorization.

421234113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212341145 (or 4212341138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 421234113100 its reverse (1311432124), we get a palindrome (422545545224).

The spelling of 421234113100 in words is "four hundred twenty-one billion, two hundred thirty-four million, one hundred thirteen thousand, one hundred".