100122119978 has 16 divisors (see below), whose sum is σ = 159241489920. Its totient is φ = 47080087776.

The previous prime is 100122119963. The next prime is 100122120001. The reversal of 100122119978 is 879911221001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9610826 + ... + 9621237.

It is an arithmetic number, because the mean of its divisors is an integer number (9952593120).

Almost surely, 2^100122119978 is an apocalyptic number.

100122119978 is a deficient number, since it is larger than the sum of its proper divisors (59119369942).

100122119978 is a wasteful number, since it uses less digits than its factorization.

100122119978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19232221.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 100122119978 in words is "one hundred billion, one hundred twenty-two million, one hundred nineteen thousand, nine hundred seventy-eight".