102201420342 has 16 divisors (see below), whose sum is σ = 233603246592. Its totient is φ = 29200405800.

The previous prime is 102201420323. The next prime is 102201420379. The reversal of 102201420342 is 243024102201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216683534 + ... + 1216683617.

It is an arithmetic number, because the mean of its divisors is an integer number (14600202912).

Almost surely, 2^102201420342 is an apocalyptic number.

102201420342 is an abundant number, since it is smaller than the sum of its proper divisors (131401826250).

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

102201420342 is a wasteful number, since it uses less digits than its factorization.

102201420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433367163.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102201420342 its reverse (243024102201), we get a palindrome (345225522543).

The spelling of 102201420342 in words is "one hundred two billion, two hundred one million, four hundred twenty thousand, three hundred forty-two".