221230410000 has 200 divisors, whose sum is σ = 729360829824. Its totient is φ = 57739200000.

The previous prime is 221230409963. The next prime is 221230410043. The reversal of 221230410000 is 14032122.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1331550 + ... + 1488450.

Almost surely, 2^221230410000 is an apocalyptic number.

221230410000 is a gapful number since it is divisible by the number (20) 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 221230410000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364680414912).

221230410000 is an abundant number, since it is smaller than the sum of its proper divisors (508130419824).

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

221230410000 is a wasteful number, since it uses less digits than its factorization.

221230410000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156979 (or 156958 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 221230410000 its reverse (14032122), we get a palindrome (221244442122).

The spelling of 221230410000 in words is "two hundred twenty-one billion, two hundred thirty million, four hundred ten thousand".