399901001101 has 16 divisors (see below), whose sum is σ = 461868762880. Its totient is φ = 339144952320.

The previous prime is 399901001089. The next prime is 399901001141. The reversal of 399901001101 is 101100109993.

It is a cyclic number.

It is not a de Polignac number, because 399901001101 - 2²⁷ = 399766783373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399901001141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2439016 + ... + 2597806.

It is an arithmetic number, because the mean of its divisors is an integer number (28866797680).

Almost surely, 2^399901001101 is an apocalyptic number.

It is an amenable number.

399901001101 is a deficient number, since it is larger than the sum of its proper divisors (61967761779).

399901001101 is a wasteful number, since it uses less digits than its factorization.

399901001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162604.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 399901001101 in words is "three hundred ninety-nine billion, nine hundred one million, one thousand, one hundred one".