2121410221230 has 128 divisors (see below), whose sum is σ = 5358280605696. Its totient is φ = 536481792000.

The previous prime is 2121410221219. The next prime is 2121410221243. The reversal of 2121410221230 is 321220141212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121410221197 and 2121410221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140288070 + ... + 140303190.

It is an arithmetic number, because the mean of its divisors is an integer number (41861567232).

Almost surely, 2^{2121410221230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121410221230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679140302848).

2121410221230 is an abundant number, since it is smaller than the sum of its proper divisors (3236870384466).

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

2121410221230 is a wasteful number, since it uses less digits than its factorization.

2121410221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16882.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2121410221230 its reverse (321220141212), we get a palindrome (2442630362442).

The spelling of 2121410221230 in words is "two trillion, one hundred twenty-one billion, four hundred ten million, two hundred twenty-one thousand, two hundred thirty".