401441201111 has 16 divisors (see below), whose sum is σ = 423611285760. Its totient is φ = 379375819200.

The previous prime is 401441201099. The next prime is 401441201129. The reversal of 401441201111 is 111102144104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401441201111 is a prime.

It is a super-2 number, since 2×401441201111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401441201171) 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, 39541886 + ... + 39552036.

It is an arithmetic number, because the mean of its divisors is an integer number (26475705360).

Almost surely, 2^401441201111 is an apocalyptic number.

401441201111 is a deficient number, since it is larger than the sum of its proper divisors (22170084649).

401441201111 is a wasteful number, since it uses less digits than its factorization.

401441201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 401441201111 its reverse (111102144104), we get a palindrome (512543345215).

The spelling of 401441201111 in words is "four hundred one billion, four hundred forty-one million, two hundred one thousand, one hundred eleven".