102021450423042 has 8 divisors (see below), whose sum is σ = 204042900846096. Its totient is φ = 34007150141012.

The previous prime is 102021450423007. The next prime is 102021450423083. The reversal of 102021450423042 is 240324054120201.

It is a happy number.

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

102021450423042 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501787535248 + ... + 8501787535259.

It is an arithmetic number, because the mean of its divisors is an integer number (25505362605762).

Almost surely, 2^{102021450423042} is an apocalyptic number.

102021450423042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102021450423042 is a wasteful number, since it uses less digits than its factorization.

102021450423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003575070512.

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 102021450423042 in words is "one hundred two trillion, twenty-one billion, four hundred fifty million, four hundred twenty-three thousand, forty-two".