421115322410112 has 256 divisors, whose sum is σ = 1292281927009920. Its totient is φ = 120083411435520.

The previous prime is 421115322410099. The next prime is 421115322410131. The reversal of 421115322410112 is 211014223511124.

It is a super-2 number, since 2×421115322410112² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421115322410112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416915478 + ... + 417924330.

Almost surely, 2^{421115322410112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421115322410112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646140963504960).

421115322410112 is an abundant number, since it is smaller than the sum of its proper divisors (871166604599808).

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

421115322410112 is a wasteful number, since it uses less digits than its factorization.

421115322410112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014711 (or 1014699 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 421115322410112 its reverse (211014223511124), we get a palindrome (632129545921236).

The spelling of 421115322410112 in words is "four hundred twenty-one trillion, one hundred fifteen billion, three hundred twenty-two million, four hundred ten thousand, one hundred twelve".