100421745731814 has 48 divisors (see below), whose sum is σ = 217511015261184. Its totient is φ = 30894793020000.

The previous prime is 100421745731807. The next prime is 100421745731819. The reversal of 100421745731814 is 418137547124001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421745731819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717739 + ... + 14190089.

It is an arithmetic number, because the mean of its divisors is an integer number (4531479484608).

Almost surely, 2^{100421745731814} is an apocalyptic number.

100421745731814 is an abundant number, since it is smaller than the sum of its proper divisors (117089269529370).

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

100421745731814 is a wasteful number, since it uses less digits than its factorization.

100421745731814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13479733 (or 13479720 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 100421745731814 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, seven hundred thirty-one thousand, eight hundred fourteen".