211264334121144 has 32 divisors (see below), whose sum is σ = 559229119733520. Its totient is φ = 66279006782976.

The previous prime is 211264334121131. The next prime is 211264334121187. The reversal of 211264334121144 is 441121433462112.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 258902369839 + ... + 258902370654.

Almost surely, 2^{211264334121144} is an apocalyptic number.

211264334121144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211264334121144 is an abundant number, since it is smaller than the sum of its proper divisors (347964785612376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211264334121144 is a wasteful number, since it uses less digits than its factorization.

211264334121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517804740519 (or 517804740515 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

Adding to 211264334121144 its reverse (441121433462112), we get a palindrome (652385767583256).

The spelling of 211264334121144 in words is "two hundred eleven trillion, two hundred sixty-four billion, three hundred thirty-four million, one hundred twenty-one thousand, one hundred forty-four".