211042230434 has 128 divisors (see below), whose sum is σ = 387844982784. Its totient is φ = 84257280000.

The previous prime is 211042230431. The next prime is 211042230493. The reversal of 211042230434 is 434032240112.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211042230431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198908264 + ... + 198909324.

It is an arithmetic number, because the mean of its divisors is an integer number (3030038928).

Almost surely, 2^211042230434 is an apocalyptic number.

211042230434 is a deficient number, since it is larger than the sum of its proper divisors (176802752350).

211042230434 is a wasteful number, since it uses less digits than its factorization.

211042230434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211042230434 its reverse (434032240112), we get a palindrome (645074470546).

The spelling of 211042230434 in words is "two hundred eleven billion, forty-two million, two hundred thirty thousand, four hundred thirty-four".