421112243002 has 16 divisors (see below), whose sum is σ = 693481892832. Its totient is φ = 190195452720.

The previous prime is 421112242981. The next prime is 421112243029. The reversal of 421112243002 is 200342211124.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60956628 + ... + 60963535.

It is an arithmetic number, because the mean of its divisors is an integer number (43342618302).

Almost surely, 2^421112243002 is an apocalyptic number.

421112243002 is a deficient number, since it is larger than the sum of its proper divisors (272369649830).

421112243002 is a wasteful number, since it uses less digits than its factorization.

421112243002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121920333.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 421112243002 its reverse (200342211124), we get a palindrome (621454454126).

The spelling of 421112243002 in words is "four hundred twenty-one billion, one hundred twelve million, two hundred forty-three thousand, two".