100122303219978 has 128 divisors (see below), whose sum is σ = 236292085854720. Its totient is φ = 27984766279680.

The previous prime is 100122303219977. The next prime is 100122303220111. The reversal of 100122303219978 is 879912303221001.

It is not an unprimeable number, because it can be changed into a prime (100122303219977) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106317963 + ... + 107255553.

It is an arithmetic number, because the mean of its divisors is an integer number (1846031920740).

Almost surely, 2^{100122303219978} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100122303219978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118146042927360).

100122303219978 is an abundant number, since it is smaller than the sum of its proper divisors (136169782634742).

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

100122303219978 is a wasteful number, since it uses less digits than its factorization.

100122303219978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940432.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 100122303219978 in words is "one hundred trillion, one hundred twenty-two billion, three hundred three million, two hundred nineteen thousand, nine hundred seventy-eight".