1321110220230 has 96 divisors (see below), whose sum is σ = 3508377020928. Its totient is φ = 344760321600.

The previous prime is 1321110220229. The next prime is 1321110220267. The reversal of 1321110220230 is 320220111231.

1321110220230 is a `hidden beast` number, since 1 + 3 + 211 + 1 + 0 + 220 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59255385 + ... + 59277675.

It is an arithmetic number, because the mean of its divisors is an integer number (36545593968).

Almost surely, 2^{1321110220230} is an apocalyptic number.

1321110220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321110220230 is an abundant number, since it is smaller than the sum of its proper divisors (2187266800698).

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

1321110220230 is a wasteful number, since it uses less digits than its factorization.

1321110220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36362 (or 36359 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1321110220230 its reverse (320220111231), we get a palindrome (1641330331461).

The spelling of 1321110220230 in words is "one trillion, three hundred twenty-one billion, one hundred ten million, two hundred twenty thousand, two hundred thirty".