102421528244350 has 48 divisors (see below), whose sum is σ = 217722461299200. Its totient is φ = 35115379066080.

The previous prime is 102421528244339. The next prime is 102421528244363. The reversal of 102421528244350 is 53442825124201.

It is a junction number, because it is equal to n+sod(n) for n = 102421528244297 and 102421528244306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19355191 + ... + 24072109.

It is an arithmetic number, because the mean of its divisors is an integer number (4535884610400).

Almost surely, 2^{102421528244350} is an apocalyptic number.

102421528244350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102421528244350 is an abundant number, since it is smaller than the sum of its proper divisors (115300933054850).

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

102421528244350 is a wasteful number, since it uses less digits than its factorization.

102421528244350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778977 (or 4778972 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 43.

The spelling of 102421528244350 in words is "one hundred two trillion, four hundred twenty-one billion, five hundred twenty-eight million, two hundred forty-four thousand, three hundred fifty".