421343111102 has 8 divisors (see below), whose sum is σ = 632146543056. Its totient is φ = 210627596752.

The previous prime is 421343111099. The next prime is 421343111131. The reversal of 421343111102 is 201111343124.

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

It is a super-2 number, since 2×421343111102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21967418 + ... + 21986589.

It is an arithmetic number, because the mean of its divisors is an integer number (79018317882).

Almost surely, 2^421343111102 is an apocalyptic number.

421343111102 is a deficient number, since it is larger than the sum of its proper divisors (210803431954).

421343111102 is a wasteful number, since it uses less digits than its factorization.

421343111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43958802.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 421343111102 its reverse (201111343124), we get a palindrome (622454454226).

The spelling of 421343111102 in words is "four hundred twenty-one billion, three hundred forty-three million, one hundred eleven thousand, one hundred two".