421112213120 has 128 divisors (see below), whose sum is σ = 1017134159040. Its totient is φ = 166705782784.

The previous prime is 421112213107. The next prime is 421112213143. The reversal of 421112213120 is 21312211124.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 421112213092 and 421112213101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87857444 + ... + 87862236.

Almost surely, 2^421112213120 is an apocalyptic number.

421112213120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421112213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508567079520).

421112213120 is an abundant number, since it is smaller than the sum of its proper divisors (596021945920).

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

421112213120 is a wasteful number, since it uses less digits than its factorization.

421112213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 421112213120 its reverse (21312211124), we get a palindrome (442424424244).

The spelling of 421112213120 in words is "four hundred twenty-one billion, one hundred twelve million, two hundred thirteen thousand, one hundred twenty".