399901010001101 has 24 divisors (see below), whose sum is σ = 468698558688000. Its totient is φ = 334087220632320.

The previous prime is 399901010001091. The next prime is 399901010001109. The reversal of 399901010001101 is 101100010109993.

It is not a de Polignac number, because 399901010001101 - 2³⁴ = 399883830131917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399901010001109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8644775 + ... + 29572523.

It is an arithmetic number, because the mean of its divisors is an integer number (19529106612000).

Almost surely, 2^{399901010001101} is an apocalyptic number.

It is an amenable number.

399901010001101 is a deficient number, since it is larger than the sum of its proper divisors (68797548686899).

399901010001101 is an equidigital number, since it uses as much as digits as its factorization.

399901010001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20928285 (or 20928044 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 35.

The spelling of 399901010001101 in words is "three hundred ninety-nine trillion, nine hundred one billion, ten million, one thousand, one hundred one".