100002001220001 has 32 divisors (see below), whose sum is σ = 149752110528000. Its totient is φ = 65949355290960.

The previous prime is 100002001219987. The next prime is 100002001220117. The reversal of 100002001220001 is 100022100200001.

100002001220001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 100002001220001 - 2⁹ = 100002001219489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100002001222001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23050551 + ... + 27043148.

It is an arithmetic number, because the mean of its divisors is an integer number (4679753454000).

Almost surely, 2^{100002001220001} is an apocalyptic number.

It is an amenable number.

100002001220001 is a deficient number, since it is larger than the sum of its proper divisors (49750109307999).

100002001220001 is a wasteful number, since it uses less digits than its factorization.

100002001220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50094506 (or 50094500 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100002001220001 its reverse (100022100200001), we get a palindrome (200024101420002).

The spelling of 100002001220001 in words is "one hundred trillion, two billion, one million, two hundred twenty thousand, one".