421003221110 has 8 divisors (see below), whose sum is σ = 757805798016. Its totient is φ = 168401288440.

The previous prime is 421003221049. The next prime is 421003221113. The reversal of 421003221110 is 11122300124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421003221113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21050161046 + ... + 21050161065.

It is an arithmetic number, because the mean of its divisors is an integer number (94725724752).

Almost surely, 2^421003221110 is an apocalyptic number.

421003221110 is a deficient number, since it is larger than the sum of its proper divisors (336802576906).

421003221110 is a wasteful number, since it uses less digits than its factorization.

421003221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42100322118.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 421003221110 its reverse (11122300124), we get a palindrome (432125521234).

The spelling of 421003221110 in words is "four hundred twenty-one billion, three million, two hundred twenty-one thousand, one hundred ten".