421102023012330 has 256 divisors, whose sum is σ = 1192044304650240. Its totient is φ = 94088393164800.

The previous prime is 421102023012301. The next prime is 421102023012353. The reversal of 421102023012330 is 33210320201124.

It is a self number, because there is not a number n which added to its sum of digits gives 421102023012330.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2255081427 + ... + 2255268153.

It is an arithmetic number, because the mean of its divisors is an integer number (4656423065040).

Almost surely, 2^{421102023012330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421102023012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596022152325120).

421102023012330 is an abundant number, since it is smaller than the sum of its proper divisors (770942281637910).

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

421102023012330 is a wasteful number, since it uses less digits than its factorization.

421102023012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196525.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 421102023012330 its reverse (33210320201124), we get a palindrome (454312343213454).

The spelling of 421102023012330 in words is "four hundred twenty-one trillion, one hundred two billion, twenty-three million, twelve thousand, three hundred thirty".