102021330345406 has 8 divisors (see below), whose sum is σ = 153048700271664. Its totient is φ = 51005096921520.

The previous prime is 102021330345401. The next prime is 102021330345409. The reversal of 102021330345406 is 604543033120201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021330345401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784102690 + ... + 2784139333.

It is an arithmetic number, because the mean of its divisors is an integer number (19131087533958).

Almost surely, 2^{102021330345406} is an apocalyptic number.

102021330345406 is a deficient number, since it is larger than the sum of its proper divisors (51027369926258).

102021330345406 is an equidigital number, since it uses as much as digits as its factorization.

102021330345406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568251186.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 102021330345406 its reverse (604543033120201), we get a palindrome (706564363465607).

The spelling of 102021330345406 in words is "one hundred two trillion, twenty-one billion, three hundred thirty million, three hundred forty-five thousand, four hundred six".