401400211 has 2 divisors, whose sum is σ = 401400212. Its totient is φ = 401400210.

The previous prime is 401400203. The next prime is 401400401. The reversal of 401400211 is 112004104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401400211 - 2³ = 401400203 is a prime.

It is a super-2 number, since 2×401400211² = 322244258781689042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401400191 and 401400200.

It is not a weakly prime, because it can be changed into another prime (401400511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200700105 + 200700106.

It is an arithmetic number, because the mean of its divisors is an integer number (200700106).

Almost surely, 2^401400211 is an apocalyptic number.

401400211 is a deficient number, since it is larger than the sum of its proper divisors (1).

401400211 is an equidigital number, since it uses as much as digits as its factorization.

401400211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 401400211 is about 20034.9746942690. The cubic root of 401400211 is about 737.6650354017.

Adding to 401400211 its reverse (112004104), we get a palindrome (513404315).

The spelling of 401400211 in words is "four hundred one million, four hundred thousand, two hundred eleven".