100320122001 has 32 divisors (see below), whose sum is σ = 147598663680. Its totient is φ = 60102806400.

The previous prime is 100320121997. The next prime is 100320122003. The reversal of 100320122001 is 100221023001.

It is not a de Polignac number, because 100320122001 - 2² = 100320121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100320122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1908096 + ... + 1959966.

It is an arithmetic number, because the mean of its divisors is an integer number (4612458240).

Almost surely, 2^100320122001 is an apocalyptic number.

100320122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100320122001 is a deficient number, since it is larger than the sum of its proper divisors (47278541679).

100320122001 is a wasteful number, since it uses less digits than its factorization.

100320122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52557.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100320122001 its reverse (100221023001), we get a palindrome (200541145002).

The spelling of 100320122001 in words is "one hundred billion, three hundred twenty million, one hundred twenty-two thousand, one".