100421745862138 has 8 divisors (see below), whose sum is σ = 150818355686880. Its totient is φ = 50148960633180.

The previous prime is 100421745862093. The next prime is 100421745862147. The reversal of 100421745862138 is 831268547124001.

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

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, 30956146918 + ... + 30956150161.

It is an arithmetic number, because the mean of its divisors is an integer number (18852294460860).

Almost surely, 2^{100421745862138} is an apocalyptic number.

100421745862138 is a deficient number, since it is larger than the sum of its proper divisors (50396609824742).

100421745862138 is an equidigital number, since it uses as much as digits as its factorization.

100421745862138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61912297892.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 100421745862138 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred sixty-two thousand, one hundred thirty-eight".