100010100120001 has 8 divisors (see below), whose sum is σ = 103461135097320. Its totient is φ = 96559225865088.

The previous prime is 100010100119971. The next prime is 100010100120037. The reversal of 100010100120001 is 100021001010001.

It can be written as a sum of positive squares in 4 ways, for example, as 1923558181776 + 98086541938225 = 1386924^2 + 9903865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100010100120001 - 2³⁵ = 99975740381633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100010100120061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38913946 + ... + 41404291.

It is an arithmetic number, because the mean of its divisors is an integer number (12932641887165).

Almost surely, 2^{100010100120001} is an apocalyptic number.

It is an amenable number.

100010100120001 is a deficient number, since it is larger than the sum of its proper divisors (3451034977319).

100010100120001 is an equidigital number, since it uses as much as digits as its factorization.

100010100120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80361203.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100010100120001 its reverse (100021001010001), we get a palindrome (200031101130002).

The spelling of 100010100120001 in words is "one hundred trillion, ten billion, one hundred million, one hundred twenty thousand, one".