102421120302 has 16 divisors (see below), whose sum is σ = 227602489680. Its totient is φ = 34140373416.

The previous prime is 102421120273. The next prime is 102421120313. The reversal of 102421120302 is 203021124201.

It is a happy number.

102421120302 is a `hidden beast` number, since 1 + 0 + 242 + 1 + 120 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 948343653 + ... + 948343760.

It is an arithmetic number, because the mean of its divisors is an integer number (14225155605).

Almost surely, 2^102421120302 is an apocalyptic number.

102421120302 is an abundant number, since it is smaller than the sum of its proper divisors (125181369378).

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

102421120302 is a wasteful number, since it uses less digits than its factorization.

102421120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896687424 (or 1896687418 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102421120302 its reverse (203021124201), we get a palindrome (305442244503).

The spelling of 102421120302 in words is "one hundred two billion, four hundred twenty-one million, one hundred twenty thousand, three hundred two".