211422441434 has 16 divisors (see below), whose sum is σ = 338869218600. Its totient is φ = 98580132864.

The previous prime is 211422441427. The next prime is 211422441487. The reversal of 211422441434 is 434144224112.

It can be written as a sum of positive squares in 4 ways, for example, as 181819518409 + 29602923025 = 426403^2 + 172055^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211422441434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28520639 + ... + 28528050.

Almost surely, 2^211422441434 is an apocalyptic number.

211422441434 is a deficient number, since it is larger than the sum of its proper divisors (127446777166).

211422441434 is a wasteful number, since it uses less digits than its factorization.

211422441434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57048817.

The product of its digits is 24576, while the sum is 32.

Adding to 211422441434 its reverse (434144224112), we get a palindrome (645566665546).

The spelling of 211422441434 in words is "two hundred eleven billion, four hundred twenty-two million, four hundred forty-one thousand, four hundred thirty-four".