399901210201111 has 32 divisors (see below), whose sum is σ = 405363755059200. Its totient is φ = 394483362883680.

The previous prime is 399901210201109. The next prime is 399901210201121. The reversal of 399901210201111 is 111102012109993.

It is a cyclic number.

It is not a de Polignac number, because 399901210201111 - 2¹ = 399901210201109 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 (399901210201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42456860160 + ... + 42456869578.

It is an arithmetic number, because the mean of its divisors is an integer number (12667617345600).

Almost surely, 2^{399901210201111} is an apocalyptic number.

399901210201111 is a deficient number, since it is larger than the sum of its proper divisors (5462544858089).

399901210201111 is a wasteful number, since it uses less digits than its factorization.

399901210201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12339.

The product of its (nonzero) digits is 8748, while the sum is 40.

The spelling of 399901210201111 in words is "three hundred ninety-nine trillion, nine hundred one billion, two hundred ten million, two hundred one thousand, one hundred eleven".