210343421042 has 16 divisors (see below), whose sum is σ = 316507690080. Its totient is φ = 104841044352.

The previous prime is 210343421033. The next prime is 210343421047. The reversal of 210343421042 is 240124343012.

It is not an unprimeable number, because it can be changed into a prime (210343421047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2301209 + ... + 2390867.

It is an arithmetic number, because the mean of its divisors is an integer number (19781730630).

Almost surely, 2^210343421042 is an apocalyptic number.

210343421042 is a deficient number, since it is larger than the sum of its proper divisors (106164269038).

210343421042 is a wasteful number, since it uses less digits than its factorization.

210343421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93337.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 210343421042 its reverse (240124343012), we get a palindrome (450467764054).

The spelling of 210343421042 in words is "two hundred ten billion, three hundred forty-three million, four hundred twenty-one thousand, forty-two".