211450211401441 has 4 divisors (see below), whose sum is σ = 211538352384000. Its totient is φ = 211362070418884.

The previous prime is 211450211401393. The next prime is 211450211401493. The reversal of 211450211401441 is 144104112054112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211450211401441 - 2⁹ = 211450211400929 is a prime.

It is a super-2 number, since 2×211450211401441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211450211408441) 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 3 ways as a sum of consecutive naturals, for example, 44070487681 + ... + 44070492478.

It is an arithmetic number, because the mean of its divisors is an integer number (52884588096000).

Almost surely, 2^{211450211401441} is an apocalyptic number.

It is an amenable number.

211450211401441 is a deficient number, since it is larger than the sum of its proper divisors (88140982559).

211450211401441 is an equidigital number, since it uses as much as digits as its factorization.

211450211401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88140982558.

The product of its (nonzero) digits is 5120, while the sum is 31.

Adding to 211450211401441 its reverse (144104112054112), we get a palindrome (355554323455553).

The spelling of 211450211401441 in words is "two hundred eleven trillion, four hundred fifty billion, two hundred eleven million, four hundred one thousand, four hundred forty-one".