400110211001 has 2 divisors, whose sum is σ = 400110211002. Its totient is φ = 400110211000.

The previous prime is 400110210991. The next prime is 400110211003. The reversal of 400110211001 is 100112011004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392032515625 + 8077695376 = 626125^2 + 89876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400110211001 is a prime.

Together with 400110211003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (400110211003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200055105500 + 200055105501.

It is an arithmetic number, because the mean of its divisors is an integer number (200055105501).

Almost surely, 2^400110211001 is an apocalyptic number.

It is an amenable number.

400110211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

400110211001 is an equidigital number, since it uses as much as digits as its factorization.

400110211001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 400110211001 its reverse (100112011004), we get a palindrome (500222222005).

The spelling of 400110211001 in words is "four hundred billion, one hundred ten million, two hundred eleven thousand, one".